AME2056

AME2056 AME | Alldatasheet

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Rev. B.01 1A Single Cell Li-ion Battery Linear Charger The AME2056 is constant-current/constant-voltage lin- ear charger IC for single cell lithium-ion batteries. The battery charge termination voltage is fixed at 4.2V, the charge current can be programmed an external resistor up to 1000mA(Max.). In the trickle charge mode, the trickle charge voltage is 2.9V that automatically termi- nates the charge cycle when the charge current drops to 1/10 the programmed value after the final float voltage is reached. Other features includes Thermal Shutdown, Soft- start Function, Battery temperature detector, under-volt- age lockout, automatic recharge and two Status indica- tion for Charge Status, no battery and battery failure indi- cators. n General Description n Features n Applications l Charging docks, charging cradles l Low Cost and Small Size Chargers l Cellular phones l Standalone Li-Ion Battery Charging l Programmable Charge Current l Charge Termination Voltage: 4.2V(Typ.) l Trickle Charge Voltage: 2.9V(Typ.) l Standby Current: 55mA(Typ.) l No Sense Resistor or Blocking Diode Required l Constant-current/constant-voltage Operation l Automatic Recharge l Battery temperature Detector l C/10 Charge Termination l Two Status indication for Charge Status, no battery and battery failure indicators l Soft-start Function l Thermal Shutdown l Available in SOP-8/PP, MSOP-8, SOT-25, TSOT-25A and DFN-8D(2x2x0.75mm) Package l Green Products Meet RoHS Standards

Battery Linear ChargerAME2056 Rev. B.01 n Typical Application n Functional Block Diagram 1K1K RPROG 10uF R1 Bat- NTC Bat+ Li-ion 10uF VCC=5V VCC CE BAT TEMP PROG CHRG STDBY 0.4W TTEMP TTEMP TA schmitt 145oC TDIE 80%VIN TEMP 45%VIN CA + - SHDN

6 STDBY

7 CHRG

2.9V 3uA VCC PROG MA 0.1V VA VCC 5uA GND RPROG BAT REF 1.22V CE

Rev. B.01 1A Single Cell Li-ion Battery Linear Charger AME2056-AZA 1. TEMP 2. PROG 3. GND 4. VCC 5. BAT 6. STDBY 7. CHRG 8. CE * Die Attach: Conductive Epoxy SOP-8/PP Top View n Pin Configuration MSOP-8 Top View AME2056-AQA 1. TEMP 2. PROG 3. GND 4. VCC 5. BAT 6. STDBY 7. CHRG 8. CE * Die Attach: Conductive Epoxy SOT-25/TSOT-25A Top View AME2056-AEV 1. CHRG 2. GND 3. BAT 4. VCC 5. PROG * Die Attach: Conductive Epoxy DFN-8D Top View (2x2x0.75mm) AME2056-AVA 1. TEMP 2. PROG 3. GND 4. VCC 5. BAT 6. STDBY 7. CHRG 8. CE * Die Attach: Conductive Epoxy 1 32 4 5678 AME2056 1 32 4 AME2056 5678 1 32 5 4 AME2056 8 7 6 1 2 3 4 AME2056

Battery Linear ChargerAME2056 Rev. B.01 n Pin Description TEMP Temperature sense Input. PROG Charge Current Setting and Charge Current Monitor Pin. GND Ground. VCC Input Supply Voltage BAT Battery Connection Pin. STDBY Charge Terminatel Status Output. CHRG Open-Drain Charge Status Output. CE Chip Enable Input. Pin Number Pin Name Pin DescriptionSOP-8/PP MSOP-8 DFN-8D SOT-25 TSOT-25A N/A 2 5 3 2

8 N/A

6 N/A

Rev. B.01 1A Single Cell Li-ion Battery Linear Charger n Ordering Information Number of Pins Package Type Pin Configuration AME2056 x x x x Special Feature A 1. TEMP E: SOT-2X A: 8 N/A: SOT-2X (SOP-8/PP) 2. PROG Q: MSOP V: 5 K: 0.9mm max height (MSOP-8) 3. GND V: DFN (for TSOT-2XA Only) (DFN-8D) 4. VCC Z: SOP/PP 5. BAT 6. STDBY 7. CHRG 8. CE A 1. CHRG (SOT-25) 2. GND (TSOT-25A) 3. BAT 4. VCC 5. PROG Pin Configuration Package Type Number of Pins Special Feature

Battery Linear ChargerAME2056 Rev. B.01 n Absolute Maximum Ratings n Recommended Operating Conditions Parameter Symbol Rating Unit Ambient Temperature Range TA -40 to +85 Junction Temperature Range TJ -40 to +125 Input Supply Voltage VCC 4.5~5.5 V oC Parameter Maximum Unit Input Voltage -0.3 to +6 V PROG Pin Voltage -0.3 to (VCC+0.3V) V BAT Pin Voltage -0.3 to +6 V All Other Pins 0.3 to +6 V BAT Pin Current 1.2 A Electrostatic Discharge (HBM) 2 KV Electrostatic Discharge (MM) 200 V Electrostatic Discharge (CDM) 1000 V Junction Temperature 150 Storage Temperature Range -65 to +150 oC

Rev. B.01 1A Single Cell Li-ion Battery Linear Charger n Thermal Information Parameter Package Die Attach Symbol Maximum Unit Thermal Resistance* (Junction to Case) qJC 19 Thermal Resistance (Junction to Ambient) qJA 84 Internal Power Dissipation PD 1450 mW Thermal Resistance* (Junction to Case) qJC 80 Thermal Resistance (Junction to Ambient) qJA 206 Internal Power Dissipation PD 625 mW Thermal Resistance* (Junction to Case) qJC 81 Thermal Resistance (Junction to Ambient) qJA 260 Internal Power Dissipation PD 400 mW Thermal Resistance* (Junction to Case) qJC 22.8 Thermal Resistance (Junction to Ambient) qJA 114 Internal Power Dissipation PD 880 mW 350 oC oC / W oC / W oC / W Lead Temperature (Soldering, 10 sec)* SOP-8/PP Conductive Epoxy MSOP-8 Conductive Epoxy Conductive EpoxySOT-25 TSOT-25A Conductive Epoxy oC / W DFN-8D

Battery Linear ChargerAME2056 Rev. B.01 n Electrical Specifications Typical values VCC=5V with typical TA = 25oC, Unless otherwise specified. Parameter Symbol Test Condition Min Typ Max Units VCC Operating Range VCC 4.5 5.5 V Supply Current ICC Charge mode, RPROG=1.2K 500.0 uA Standby Current ISTBY Standby mode(charge end) 55 100 uA Shutdown Current ISHUT Shutdown mode (RPROG=NC, VCC<VBAT or VCC<VUVLO) 55 100 uA Float Voltage VFLOAT TA=25oC, IBAT=40mA 4.158 4.2 4.242 V SOT-25 / DFN-6D / DFN-8L 800.0 mA SOP-8/PP / MSOP-8 1000 mA IBAT1 RPROG=2.4KW, CC mode VBAT=4V 450 500 550 mA IBAT2 RPROG=1.2KW, CC mode VBAT=4V 900 1000 1100 mA IBAT3 Standby mode, VBAT=4.2V -6 uA IBAT4 Shutdown mode (RPROG=NC) ±2 uA IBAT5 Sleep mode, VCC=0V -2 uA Trickle Charge Current ITRIKL VBAT<VTRIKL,RPROG=1.2KW 130 mA Trickle Voltage VTRIKL RPROG=1.2KW, VBAT Rising 2.8 2.9 3 V Trickle Voltage Hysteresis VTRILK_HYS 60 80 100 mV VCC UVLO Rising Threshold Voltage VUVLO VCC:Low to High 3.5 3.7 3.9 V VCC UVLO Hysteresis VUVLO_HYS 150 200 300.0 mV VCC:Low to High 60 100 140 mV VCC:High to Low 5 30 50 mV RPROG=2.4KW 70 mA RPROG=1.2KW 130 mA ITERM C/10 Charge Termination Current Threshold Maximum Battery Current IBAT(MAX) BAT Pin Current VASD VCC-VBAT lockout Threshold Voltage

Rev. B.01 1A Single Cell Li-ion Battery Linear Charger n Electrical Specifications (Contd.) Parameter Symbol Test Condition Min Typ Max Units PROG Pin Voltage VPROG RPROG=1.2KW, CC mode 0.9 1 1.1 V CHRG Pin Output Low Voltage VCHRG ICHRG=5mA 0.3 0.6 V STDBY Pin Output Low Voltage VSTANBY ISTDBY=5mA 0.3 0.6 V Temp Pin High Threshold Voltage VTEMP-H 80 82 %VCC Temp Pin Low Threshold Voltage VTEMP-L 43 45 %VCC Recharge Threshold Voltage DRECHRG VFLOAT-VRECHRG 60 150 200 mV Temperature Limit TLIMT 145 oC ON Resistance RON 650 mW Soft Start Time tSS 400 uS Recharge Battery Time tRECHRG VBAT:High to Low 0.8 1.8 4 ms Battery Termination Detect Time tTERM IBAT falling (less than ICHRG /10) 0.8 1.8 4 ms IPROG Pin Pull-up Current IPROG _pull_up 2 uA

Battery Linear ChargerAME2056 Rev. B.01 n Detailed Description The AME2056 is a linear battery charger designed for single cell lithium-ion batteries. The charger has CC/CV modes with programmable charging current. Charging current is programmed by an external resistor. No blocking diode or external sense resistor are required. State Diagram of A Typical Charge Cycle A charge cycle starts when the VCC pin voltage rises above the UVLO threshold. If the voltage at BAT pin is smaller than 2.9V, the charger is operating in trickle mode. AME2056 supplies 1/10 programmed current to the battery. When the BAT pin voltage is greater than 2.9V, the charger enters constant-current mode. The charger supplies the pro- grammed current to the battery. When the voltage at BAT pin approaches the float voltage (4.2V), the charger operates in constant-voltage mode and the charging current is decreased. A charge cycle is terminated when the charging current drops below 1/10 programmed current after the float voltage is reached. When the charging current falls below 1/10 programmed charging current for longer than TTERM (1.8ms), charging is terminated. The AME2056 enters in standby mode. VCC > VUVLO & VCE = HIGH & VCC > VBAT YES YES Shutdown mode PFET OFF CHRG=High Impedance STDBY=HIGH Impedance If VCC < VUVLO or VCC < VBAT or VCE = Low or VTEMP > 0.8VCC or VTEMP < 0.45VCC YES YES NO NO VBAT < 4.2V VBAT > 2.9V Standy mode Charge Current=0 CHRG=High Impedance STDBY=Strong pull-down ICharge < 0.1 * IBAT CC mode Charge Current=IBAT CHRG=Strong pull-down STDBY=High Impedance NO Trickle Charge mode Charge Current = 0.1 * IBAT CHRG=Strong pull-down STDBY=High Impedance NO YES VBAT < 4.1V

Rev. B.01 1A Single Cell Li-ion Battery Linear Charger Setting Charge Current The charging current can be programmed by a resistor connected from the PROG pin to ground. The battery charging current is 1200 times the PROG pin flowing out current. The value of required resistor can be calculated by the following equation: The instantaneous charging current provided to the battery can be determined by monitoring the PROG pin voltage with the following equation: 1200 MAXCHG PROG IR = PROG CHG RI 1200=

Battery Linear ChargerAME2056 Rev. B.01 Charge status indicator AME2056 has two status indicators CHRG and STDBY. When the charger is operating in charging status, the CHRG and STDBY outputs enter strong pull-down and high impedance status, respectively. If the battery is in full status, the CHRG and STDBY outputs enter high impedance and strong pull-down, respectively. When the TEMP pin voltage is greater than VTEMP-H or lower than VTEMP-L, the CHRG and STDBY outputs enter high impedance. When the TEMP pin is short to ground for disable the temperature protection and the battery is not to connect BAT pin, the light of CHRG and STDBY are flicker and bright, respectively. Thermal Protection The internal thermal feedback loop of AME2056 reduces the charging current when the die temperature rises above approximately 145oC. The function protects the AME2056 from excessive temperature and allow user to push the limits of the power handing capability without risk of damaging AME2056. Charger's Status Red Ied CHRG Green Ied STDBY Charging Iight dark Battery in full state dark light Under-voltage, battery's temperature is to high or too low, or not connect to battery(use TEMP) dark dark BAT pin is connected to 10uF capacitor, No battery mode (TEMP=GND) Green LED bright, Red LED flicker

Rev. B.01 1A Single Cell Li-ion Battery Linear Charger Battery Temperature Fault Monitoring In the battery over-temperature condition, the charger will turn off the internal pass device. Two internal compared voltage references VTEMP-H and VTEMP-L are 80%*VCC and 45%*VCC, respectively. When the voltage at TEMP pin rises above VTEMP-H or falls below VTEMP-L, AME2056 stops charging. After the system recover from a temperature fault, the charger will resume operation. If applications do not need the function, short the TEMP pin to ground. The resistance of R1 and R2 are set according to the battery temperature range and the value of thermal sensitive resistor. Assume the battery is equi pped with NTC thermistor and the temperature range is TL to TH (TL<TH). The thermistor resistance RT decreases as temperature increases from TL to TH. The TEMP pin voltage can be calculated as: The VTEMP decreases as the temperature increase from TL to TH. R1 and R2 resistance are set for temperature: at T L at T H Where RTL and RTH are the thermistor resistances at TL and TH, respectively. The R1 and R2 can be derived as following: CC T T TEMP VRRR RRV ´+= //21 //2 CC TL TL HTEMPCC VRRR RRVV ´+==´ - //21 //28.0 CC TH TH LTEMPCC VRRR RRVV ´+==´ - //21 //245.0 ( ) 45.08.0 ´-´-´-´ -´´= THTL THTL RR RRR ( ) ( ) 45.08.0 45.08.0 ´´- -´´= THTL THTL RR RRR

Battery Linear ChargerAME2056 Rev. B.01 Under Voltage Lockout (UVLO) The AME2056 incorporates an under voltage lockout circuit to keep the device disabled when VCC is below the UVLO rising threshold voltage. Once the UVLO rising threshold voltage is reached, the device start-up begins. The device operates until VCC falls below the UVLO falling threshold voltage. The typical hysteresis in the UVLO comparator is 200mV. Manual Shutdown The AME2056 can be shutdown by removing RPROG or pull the CE pin to the low-level voltage. A new charge cycle is restarted by reconnecting the program resistor or pulling the CE pin to high-level voltage. Automatic Recharge After the charge cycle is terminated, the AME2056 monitors the BAT pin voltage by a comparator with a 1.8ms filter time (TRECHARGE). When the BAT pin voltage drops below 4.1V, a charge cycle re starts. The function can keep the battery near a fully charged condition. Stability Considerations In constant-current mode, the feedback loop includes the PROG pin. Because of the additional pole created by the PROG pin capacitor and resistor. The equivalent capacitance on this pin must be kept to minimum for the maximum allowed program resistor. The pole frequency created by the PROG pin should be kept above 100kHz. When the PROG pin is loaded with a capacitor, CPROG, the following equation can be used to calculate the maximum resistance. Generally, the average battery current may be of interest to the user rather than instantaneous current. A simple RC filter can be used on the PROG pin to measure the average battery current as shown in Figure 1. A 10K resistor has been added between the PROG pin and the filter capacitor to ensure stability. PROG PROG CR ´´´£ 5102 p AME2056 PROG GND RPROG CFILTER 10K CHARGE CURRENT MONITOR CIRCUITRY Figure 1

Rev. B.01 1A Single Cell Li-ion Battery Linear Charger Power Dissipation AME2056 has thermal feedback protection to reduce the charging current in overload condition, so the power dissipa- tion is required to consider. The power dissipation definition is: Where PD is power dissipated, VCC is the input supply current, VBAT is the battery voltage and IBAT is the charge current. AME2056 will automatically reduce the charging current to maintain the die temperature under 145oC approximately, so it is not necessary to check maximum power dissipation. The ambient temperature of thermal feedback protection is: For example: AME2056 operating from a 5V power providing 0.8A to a 3.75V Li-Ion battery. The maximum ambient temperature which the AME2056 operates in 0.8A condition can be calculated: The AME2056 can be used above 57oC, but the charging current will be reduced below 0.8A. The charging current can be calculated: According to the previous example with ambient temperature of 90oC, the charging current is reduced to: Layout Consideratons The good thermal conduction PCB layout is very important to apply to maximize the available charging current. The thermal path is from the die to the PCB. The PCB is the heat sink. The copper pads footprint should be as large as possible and expand out to large copper areas to spread and dissipate the heat to the ambient. Other heat source must be considered when designing a PCB layout because they will affect overall temperature rise and maximum charging current. VCC Bypass Capacitor Many type s of capacitors can be used a s input bypass capacitor. However, the high voltage tra nsients can be generated under some start-up conditions when using the self-resonant and high Q characteristics of ceramic capacitors. Adding a 0.4W resistor in series with an X5R ceramic capacitors will minimize start-up voltage transients. BATBATCCD IVVP ´-= )( ( ) JABACC o JAD o A VVCPCT qq ´--=´-= 145145 CWCAVVCT ooo JABATCC A o BAT VV TCI q´- -= )( 145 ( ) mACCI oo BAT 5248475.35 90145 =´-

Battery Linear ChargerAME2056 Rev. B.01 n Characterization Curve PROG Pin Voltage vs. Supply Voltage (Constant Current Mode) Battery Regulation (Float) Voltage vs. Supply Voltage Supply Voltage (V) VPROG(V) Supply Voltage (V) Supply Voltage (V) Supply Voltage (V) Charge Current vs. Supply Voltage Trickle Charge Current vs. Supply Voltage IBAT (mA) VBAT (V) IBAT (A) IBAT (A) IBAT (mA) Battery Regulation (Float) Charge Current VFloat (V) Charge Current vs. Battery Voltage (3.7V Li-Ior Battery) 2.7 3.73.2 4.2 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0.2 0.4 0.6 0.8 1.2 1.2K 2.4K 10K 5.6 100 120 140 160 1.2K 2.4K 10K 4.18 4.185 4.19 4.195 4.2 4.205 4.21 0 100 200 300 400 500 600 700 0.995 1.005 1.01 1.015 1.02 1.025 4.2 4.205 4.21 4.215 4.22 4.225 4.23 4.235 4.24 VFloat (V)

Rev. B.01 1A Single Cell Li-ion Battery Linear Charger n Characterization Curve (Contd.) Charge Current vs. Battery Voltage VBAT (V) IBAT (mA) 122 123 124 125 126 127 128 129 -50 -25 0 25 50 75 100 Trickle Charge Current vs. Temperature Trickle Charge Threshold vs. Temperature 2.86 2.88 2.9 2.92 2.94 2.96 -50 -25 0 25 50 75 100 Temperature (oC) Temperature (oC) IBAT (mA) VTRICKLE (V) Temperature (oC) VFLOAT (V) Battery Regulation (Float) Voltage vs. Temperature 4.16 4.18 4.2 4.22 4.24 4.26 -50 -25 0 25 50 75 100 0.95 0.96 0.97 0.98 0.99 -50 -25 0 25 50 75 100 Temperature (oC) VPROG(V) Temperature (oC) PROG Pin Voltage vs. Temperature Charge Current vs. Temperature IBAT (mA) 200 400 600 800 1000 1200 -50 -25 0 25 50 75 100 125 150 1.2K 2.4K 10K 200 400 600 800 1000 1200 0oC 25oC 50oC

Battery Linear ChargerAME2056 Rev. B.01 n Tape and Reel Dimension SOP-8/PP Carrier Tape, Number of Components Per Reel a nd Reel Size MSOP-8 Carrier Tape, Number of Components Per Reel a nd Reel Size Package Carrier Width (W) Pitch (P) Pitch (P0) Part Per Full Reel Reel Size PIN 1 W P0AME AME P P PIN 1 W P0AME AME Package Carrier Width (W) Pitch (P) Pitch (P0) Part Per Full Reel Reel Size

Rev. B.01 1A Single Cell Li-ion Battery Linear Charger n Tape and Reel Dimension (Contd.) Carrier Tape, Number of Components Per Reel a nd Reel Size DFN-8D (2mmx2mmx0.75mm) Carrier Tape, Number of Components Per Reel a nd Reel Size SOT-25 Package Carrier Width (W) Pitch (P) Pitch (P0) Part Per Full Reel Reel Size DFN-8D W AME AME PIN 1 P Package Carrier Width (W) Pitch (P) Pitch (P0) Part Per Full Reel Reel Size P W PIN 1 AME AME

Battery Linear ChargerAME2056 Rev. B.01 n Tape and Reel Dimension (Contd.) TSOT-25A W AME AME PIN 1 P Carrier Tape, Number of Components Per Reel a nd Reel Size Package Carrier Width (W) Pitch (P) Pitch (P0) Part Per Full Reel Reel Size

Rev. B.01 1A Single Cell Li-ion Battery Linear Charger n Package Dimension SOP-8/PP b e EE2 C FRONT VIEW SIDE VIEWTOP VIEW D A PIN 1 MIN MAX MIN MAX A 1.350 1.750 0.053 0.069 A1 0.000 0.250 0.000 0.010 A2 1.250 1.650 0.049 0.065 C 0.100 0.250 0.004 0.010 E 3.750 4.150 0.148 0.163 E1 5.700 6.300 0.224 0.248 L1 0.300 1.270 0.012 0.050 b 0.310 0.510 0.012 0.020 D 4.720 5.120 0.186 0.202 e qqqq 0o 8o 0o 8o E2 2.050 2.513 0.081 0.099 D1 2.150 3.402 0.085 0.134 1.270 BSC 0.050 BSC SYMBOLS MILLIMETERS INCHES

Battery Linear ChargerAME2056 Rev. B.01 n Package Dimension (Contd.) e Front View b A2A Top View EE1 PIN 1 D End View B B See Detail A WITH PLATING b c1c SECTION B TOP PKG. BTM PKG. L DETAIL A MSOP-8

Rev. B.01 1A Single Cell Li-ion Battery Linear Charger n Package Dimension (Contd.) TOP VIEW BOTTOM VIEW REAR VIEW eD E A A3A1 b L N1N4 N5 N8 K PIN 1 IDENTIFICATION DFN-8D (2mmx2mmx0.75mm) MIN MAX MIN MAX A 0.700 0.800 0.028 0.031 A1 0.000 0.050 0.000 0.002 D 1.900 2.100 0.075 0.083 E 1.900 2.100 0.075 0.083 D1 1.100 1.650 0.043 0.065 E1 0.500 0.950 0.020 0.037 K b 0.180 0.300 0.007 0.012 e L 0.200 0.450 0.008 0.018 0.500 TYP 0.020 TYP SYMBOLS MILLIMETERS INCHES 0.203 REF 0.008 REF 0.200 MIN 0.008 MIN

Battery Linear ChargerAME2056 Rev. B.01 n Package Dimension (Contd.) SOT-25 L Top View Side View Front View D e E H b A PIN1

0.70 BSC

1.00 BSC

0.95 BSC 0.95 BSC

1.90 BSC

2.40 BSC

Note: 1. Lead pattern unit description: BSC: Basic. Represents theoretical exact dimension or dimension target. 2. Dimensions in Millimeters. 3. General tolerance +0.05mm unless otherwise specified.

Rev. B.01 1A Single Cell Li-ion Battery Linear Charger n Package Dimension (Contd.) TSOT-25A TOP VIEW REAR VIEW D e b SIDE VIEW A L E c 0.25 PIN 1 MIN MAX MIN MAX A 0.700 0.900 0.028 0.035 A1 0.000 0.100 0.000 0.004 A2 0.700 0.800 0.028 0.031 b 0.350 0.500 0.014 0.020 c 0.080 0.200 0.003 0.008 D 2.820 3.020 0.111 0.119 E 1.600 1.700 0.063 0.067 E1 2.650 2.950 0.104 0.116 e L 0.300 0.600 0.012 0.024 qqqq 0o 8o 0o 8o 1.90 BSC 0.075 BSC SYMBOLS MILLIMETERS INCHES 0.95 BSC 0.037 BSC Lead Pattern Drawing 0.95 BSC 0.95 BSC Note: 1. Lead pattern unit description: BSC: Basic. Represents theoretical exact dimension or dimension target. 2. Dimensions in Millimeters. 3. General tolerance +0.05mm unless otherwise specified.

Life Support Policy: These products of AME, Inc. are not authorized f or use as critical components in life-support devices or syste ms, without the expre ss written a pproval of the pre sident of AME, Inc. AME, Inc. re serves the right to ma ke changes in the circuitry a nd specifications of its device s and advises its customers to obtain the late st version of releva nt information. ã AME, Inc. , August 2014 Document: A022A-DS2056-B.01 Corporate He adquarter AME, Inc. 8F, 12 WenHu St., Nei-Hu Taipei 114, Taiwan. Tel: 886 2 2627-8687 Fax: 886 2 2659-2989 www.ame.com.tw E-Mail: sales@ame.com.tw