S8229

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www.sii-ic.com BATTERY MONITORING IC © Seiko Instruments Inc., 2012-2015 Rev.1.0_01 Seiko Instruments Inc. 1 The S-8229 Series is a battery monitoring IC developed using CMOS technology. Compared with conventional CMOS voltage detectors, the S-8229 Series is ideal for the applica tions that require high-withstand voltage due to its maximum operation voltage as high as 24 V. The S-8229 Series is capable of conf irming the voltage in stages since it detects three voltage values.  Features

• Detection voltage accuracy: ±1.0%
• Hysteresis characteristics: V HYS1 to VHYS3 = 0 mV, 50 mV, 300 mV, 400 mV, 500 mV
• Current consumption: During operation: I DD1 = 9.0 μA max. (−VDETtotal *1 ≥ 42 V) I DD1 = 11.0 μA max. (−VDETtotal *1 < 42 V) During power-off: I DD2 = 0.1 μA max.
• Operation voltage range: V DD = 3.6 V to 24 V
• Detection voltage: −VDET1(S) to −VDET3(S) = 10.5 V to 21.5 V (0.1 V step)
• Output form: Nch open-drain output
• Output logic *2: Full charge all on, full charge all off
• Operation temperature range: Ta = −40°C to +85°C
• Lead-free (Sn 100%), halogen-free *1. −VDETtotal: Total detection voltage −VDETtotal = −VDET1(S) + −VDET2(S) + −VDET3(S) *2. Full charge all on: When the input voltage is equal to or higher than each of the three detection voltage values, V OUT1 = VOUT2 = VOUT3 = VSS. Full charge all off: When the in put voltage is equal to or higher than each of the thre e detection voltage values, V OUT1 = VOUT2 = VOUT3 = "High-Z".  Application
• Rechargeable lithium-ion battery pack  Packages
• SOT-23-6
• SNT-6A

S-8229 Series Rev.1.0_01 Seiko Instruments Inc. 2  Block Diagram OUT3 Nch 3 VDD VREF OUT2 Nch 2 OUT1 Nch 1 ON / OFF VSS Remark Diodes in the figure are parasitic diodes. Figure 1

Rev.1.0_01 S-8229 Series Seiko Instruments Inc. 3  Product Name Structure 1. Product name S-8229 xxx - xxxx U Environmental code U: Lead-free (Sn 100%), halogen-free Package abbreviation and IC packing specifications M6T1: SOT-23-6, Tape I6T1: SNT-6A, Tape Serial code Sequentially set from AAA to AZZ *1. Refer to the tape drawing. *2. Refer to "3. Product name list ". 2. Packages Table 1 Package Drawing Codes Package Name Dimension Tape Reel Land SOT-23-6 MP006-A-P-SD MP006-A-C-SD MP006-A-R-SD − SNT-6A PG006-A-P-SD PG006-A-C- SD PG006-A-R-SD PG006-A-L-SD 3. Product name list 3. 1 SOT-23-6 Table 2 Product Name Detection Voltage 1 [−VDET1(S)] Detection Voltage 2 [−VDET2(S)] Detection Voltage 3 [−VDET3(S)] Hysteresis Width 1 [VHYS1(S)] Hysteresis Width 2 [VHYS2(S)] Hysteresis Width 3 [VHYS3(S)] Output Logic*1 S-8229AAA-M6T1U 19.400 V 18. 100 V 15.300 V 0 V 0 V 0 V Full charge all on *1. Full charge all on: When the input voltage is equal to or higher than each of the three detection voltage values, VOUT1 = VOUT2 = VOUT3 = VSS. Full charge all off: When the input vo ltage is equal to or hi gher than each of the three detection voltage values, VOUT1 = VOUT2 = VOUT3 = "High-Z". Remark Please contact our sales office for products other than the above. 3. 2 SNT-6A Table 3 Product Name Detection Voltage 1 [−VDET1(S)] Detection Voltage 2 [−VDET2(S)] Detection Voltage 3 [−VDET3(S)] Hysteresis Width 1 [VHYS1(S)] Hysteresis Width 2 [VHYS2(S)] Hysteresis Width 3 [VHYS3(S)] Output Logic*1 *1. Full charge all on: When the input voltage is equal to or higher than each of the three detection voltage values, VOUT1 = VOUT2 = VOUT3 = VSS. Full charge all off: When the input vo ltage is equal to or higher than each of t he three detection voltage values, VOUT1 = VOUT2 = VOUT3 = "High-Z". Remark Please contact our sales office for products other than the above.

S-8229 Series Rev.1.0_01 Seiko Instruments Inc. 4  Pin Configurations 1. SOT-23-6 13 2 546 Top view Figure 2 Table 4 Pin No. Symbol Description

1 OUT1 Voltage detection output pin 1

2 OUT2 Voltage detection output pin 2

3 OUT3 Voltage detection output pin 3

4 VSS GND pin

5 VDD Voltage input pin

6 ON / OFF ON / OFF pin

1. SNT-6A Top view Figure 3 Table 5 Pin No. Symbol Description

1 OUT3 Voltage detection output pin 3

3 OUT1 Voltage detection output pin 1

4 ON / OFF ON / OFF pin

6 VSS GND pin

Rev.1.0_01 S-8229 Series Seiko Instruments Inc. 5  Absolute Maximum Ratings Table 6 (Ta = +25°C unless otherwise specified) Item Symbol Abso lute Maximum Rating Unit Input voltage VDD V SS − 0.3 to VSS + 26 V VON / OFF V SS − 0.3 to VSS + 26 V Output voltage n V OUTn V SS − 0.3 to VSS + 26 V Power dissipation SOT-23-6 PD 650*1 mW SNT-6A 400*1 mW Operation ambient temperature T opr −40 to +85 °C Storage temperature T stg −40 to +125 °C *1. When mounted on board [Mounted board] (1) Board size: 114.3 mm × 76.2 mm × t1.6 mm (2) Name: JEDEC STANDARD51-7 Caution The absolute maximum ratings are rated values exceeding which the product could suffer physical damage. These values must therefor e not be exceeded under any conditions. 0 50 100 150 800 Power Dissipation (PD) [mW] Ambient Temperature (Ta) [°C] SOT-23-6 400 600 200 SNT-6A Figure 4 Power Dissipation of Package (When Mounted on Board) Remark n = 1 to 3

S-8229 Series Rev.1.0_01 Seiko Instruments Inc. 6  Electrical Characteristics Table 7 (Ta = +25°C unless otherwise specified) Item Symbol Condition Min. Typ. Max. Unit Test Circuit Detection voltage n*1 −VDETn − −VDETn(S) × 0.99 −VDETn(S) −VDETn(S) × 1.01 V 1 Hysteresis width n*2 VHYSn 300 mV ≤ VHYSn(S) ≤ 500 mV −VHYSn(S) × 0.8 −VHYSn(S) −VHYSn(S) × 1.2 V 1

0 V ≤ VHYSn(S) ≤ 50 mV −VHYSn(S)

− 0.025 −VHYSn(S) −VHYSn(S) + 0.025 V 1 ON / OFF pin input voltage "H" VSH V1 = V3 = 22 V 1.5 − − V 1 ON / OFF pin input voltage "L" VSL V1 = V3 = 22 V − − 0.3 V 1 Operation voltage range between VDD pin and VSS pin V DD − 3.6 − 24 V − Current consumption during operation IDD1 V1 = 22 V, V2 = 3 V, −VDETtotal *3 ≥ 42 V − 4.0 9.0 μA 2 V1 = 22 V, V2 = 3 V, −VDETtotal *3 < 42 V − 5.0 11.0 μA 2 Current consumption during power-off IDD2 V1 = 22 V, V2 = 0 V − − 0.1 μA 2 Output sink current n I OUTn Full charge all on, V1 = 22 V, V2 = 3 V, V3 = 1 V 10 − − mA 3 Full charge all off, V1 = 10 V, V2 = 3 V, V3 = 1 V 5 − − mA 3 Output leak current n I LEAKn V1 = 22 V, V2 = 0 V, V3 = 22 V − − 0.1 μA 3 Detection voltage temperature coefficient *4 Δ−VDETn ΔTa • −VDETn *1. −VDETn: Actual detection voltage value, −VDETn(S): Set detection voltage *2. VHYSn: Actual hysteresis width, −VHYSn(S): Set hysteresis width *3. −VDETtotal: Total detection voltage −VDETtotal = −VDET1(S) + −VDET2(S) + −VDET3(S) *4. The Change in temperature of the detection voltage [mV/ °C] is calculated by using the following equation. Δ − VDETn ΔTa [mV/°C] *1 = −VDETn(S) (typ.) [V]*2 × Δ − VDETn ΔTa • −VDETn [ppm/°C] *3 ÷ 1000 *1. Change in temperature of the detection voltage * 2 . Set detection voltage *3. Detection voltage temperature coefficient *5. Since products are not screened at high and low temperat ure, the specification for this temperature range is guaranteed by design, not tested in production. Remark n = 1 to 3

S-8229 Series Rev.1.0_01 Seiko Instruments Inc. 8  Standard Circuit OUT1 OUT2 OUT3 S-8229 Series ON / OFF VSS VDD ROUT1 ROUT2 R OUT3 Figure 8 Table 8 Constants for External Components Symbol Purpose Typ. Remark R1*1 For power fluctuation 470 Ω Set the value as small as possible to prevent deterioration of the detection voltage. C1 For power fluctuation 0.1 μF Set R1 × C1 ≥ 40 × 10−6. ROUTn *2 For output pin pull-up 100 k Ω Make sure the power dissipation of the S-8229 Series is not exceeded. *1. Set up R1 as 100 k Ω or less to prevent oscillation. *2. Set up each of R OUTn as 620 Ω or more so that the power dissipation is not exceeded. Caution The above connection diagram and constant will not guarantee su ccessful operation. Perform thorough evaluation using the actual application to set the constant. Remark n = 1 to 3

Rev.1.0_01 S-8229 Series Seiko Instruments Inc. 9  Operation 1. Basic operation The basic operation when V ON / OFF ≥ VSH is shown as follows. 1. 1 When the power supply voltage (V DD) increases The OUTn pin becomes release status if V DD is equal to or higher than the release voltage ( +VDETn). Table 9 Set Conditions at Releasing Output Logic V OUTn Nch n Full charge all on V SS On Full charge all off High-Z Off 1. 2 When V DD decreases The OUTn pin becomes detection status if V DD is equal to or lower than the detection voltage ( −VDETn). Table 10 Set Conditions at Detecting Output Logic V OUTn Nch n Full charge all on High-Z Off Full charge all off V SS On 1. 3 When V DD ≤ minimum operation voltage The OUTn pin voltage is indefinite. Remark n = 1 to 3 2. ON / OFF pin This pin starts and stops the S-8229 Series. When V ON / OFF is set to V SL or lower, the entire internal circuit stops operating, and Nch n (refer to Figure 1 in " Block Diagram") is turned off, reducing curr ent consumption significantly. The ON / OFF pin is configured as shown in Figure 9. The ON / OFF pin is not internally pulled up or pulled down, so do not use the ON / OFF pin in the floating status. When not using the ON / OFF pin, connect the pin to the VDD pin. ON / OFF VDD VSS Figure 9 Remark n = 1 to 3

S-8229 Series Rev.1.0_01 Seiko Instruments Inc. 10  Timing Charts 1. Nch open-drain output (full charge all on, V ON / OFF ≥ VSH) +VDET1 VDD pin voltage OUT2 pin voltage High-Z VSS −VDET1 +VDET2 −VDET2 +VDET3 −VDET3 High-Z VSS High-Z VSS Minimum operation voltage OUT1 pin voltage OUT3 pin voltage Figure 10 Remark When VDD is equal to or lower than the minimum operation voltage, the output voltage from the OUT1 pin to the OUT3 pin is indefinite in the shaded area.

Rev.1.0_01 S-8229 Series Seiko Instruments Inc. 11 2. Nch open-drain output (full charge all off, V ON / OFF ≥ VSH) +VDET1 VDD pin voltage OUT2 pin voltage High-Z VSS −VDET1 +VDET2 −VDET2 +VDET3 −VDET3 High-Z VSS High-Z VSS Minimum operation voltage OUT1 pin voltage OUT3 pin voltage Figure 11 Remark When VDD is equal to or lower than the minimum operation voltage, the output voltage from the OUT1 pin to the OUT3 pin is indefinite in the shaded area.

Rev.1.0_01 S-8229 Series Seiko Instruments Inc. 13 3. Short-circuit of the output pin In the case of −VDET1(S) = −VDET2(S) = −VDET3(S), +VDET1 = +VDET2 = +VDET3, the load current can be increased by short-circuiting the output pin, as shown in Figure 14. OUT1 OUT2 OUT3 S-8229 Series ON / OFF VSS VDD ROUT *1. Set up R OUT as 220 Ω or more so that the power dissipation is not exceeded. Figure 14 Caution The above connection diagram and constant will not guarantee successful operation. Perform thorough evaluation using the actual application to set the constant.

S-8229 Series Rev.1.0_01 Seiko Instruments Inc. 14  Precautions

• The application cond itions for the input volt age, output voltage, and ou tput pin pull-up resist ance should not exceed the package power dissipation.
• Wiring patterns for the VDD pin, the VOUT pin and the VSS pin should be designed so that the impedance is low.
• Note that the detection voltage may deviate due to the resistance component of output sink current and the VSS pin wiring.
• In applications where a resistor is connected to the input (refer to Figure 8 in "  Standard Circuit "), the feed-through current which is generated when the output switches causes a voltage drop equal to feed-through current × input resistance. In this state, the feed-through current stops and its resultant voltage drop disappears, and the output switches. The feed-through current is then generated again, a voltage drop appears. Note that an oscillation may be generated for this reason.
• When designing for mass production using an application circuit described herein, the product deviation and temperature characteristics should be taken into consideration. SII shall not bear any responsibility for patent infringements related to products using the circuits described herein.
• Do not apply an electrostatic discharge to this IC that exceeds the performance ratings of the built-in electrostatic protection circuit.
• SII claims no responsibility for any disputes arising out of or in connection with any infringement by products including this IC of patents owned by a third party.

Rev.1.0_01 S-8229 Series Seiko Instruments Inc. 15  Characteristics (Typical Data) 1. Detection voltage 1. 1 −VDETn vs. Ta −VDETn(S) = 21.5 V −VDETn(S) = 17.5 V −VDETn [V] 21.3 21.4 21.5 21.6 21.7 −4 0 0 2 55 07 5 85−25 Ta [°C] −VDETn [V] 17.3 17.4 17.5 17.6 17.7 −4 0 0 2 55 07 5 85−25 Ta [°C] −VDETn(S) = 10.5 V −VDETn [V] 10.40 10.45 10.50 10.55 10.60 −4 0 0 2 55 07 5 85−25 Ta [°C] 2. Hysteresis width 2. 1 −VHYSn vs. Ta −VHYSn(S) = 0.5 V −VHYSn(S) = 0.3 V VHYSn [V] 0.40 0.45 0.50 0.55 0.60 −4 0 0 2 55 07 5 85−25 Ta [°C] VHYSn [V] 0.24 0.26 0.28 0.30 0.34 0.32 0.36 −4 0 0 2 55 07 5 85−25 Ta [°C] −VHYSn(S) = 0.05 V VHYSn [V] 0.02 0.03 0.04 0.05 0.07 0.06 0.08 −4 0 0 2 55 07 5 85−25 Ta [°C] Remark n = 1 to 3

S-8229 Series Rev.1.0_01 Seiko Instruments Inc. 16 3. Current consumption 3. 1 I DD1 vs. VDD 3. 2 I DD1 vs. Ta S-8229AAA Ta = +25°C S-8229AAA V DD = 22 V IDD1 [μA] 0 5 10 15 20 25 VDD [V] IDD1 [μA] 2.0 4.0 6.0 −4 0 0 2 55 07 5 85−25 Ta [°C] 3. 3 I DD2 vs. Ta S-8229AAA V DD = 22 V IDD2 [μA] 0.02 0.06 0.08 0.04 0.10 −4 0 0 2 55 07 5 85−25 Ta [°C] 4. Output current 4. 1 I OUTn vs. VOUTn 4. 2 I OUTn vs. VDD V DD = 22 V V OUTn = 1 V IOUTn [mA] 100 120 0 0.5 1.0 1.5 2.0 VOUTn [V] Ta = −40°C Ta = +25°C Ta = +85°C IOUTn [mA] 51 0 1 5 2 0 3025 VDD [V] Ta = −40°C Ta = +25°C Ta = +85°C Remark n = 1 to 3

Rev.1.0_01 S-8229 Series Seiko Instruments Inc. 17 5. Response time 5. 1 t DETn vs. Δ−VDETn 5. 2 t RELn vs. Δ+VDETn Δ−VDETn = −VDETn − VDD, Ta = +25°C Δ+VDETn = VDD − (+VDETn), Ta = +25°C tDETn [ms] 100 1 100 100010 Δ−VDETn [mV] −VDETn = 21.5 V −VDETn = 17.5 V −VDETn = 10.5 V tRELn [ms] 1 100 100010 Δ+VDETn [mV] +VDETn = 22.0 V +VDETn = 17.5 V +VDETn = 10.5 V VDD VSS OUTn pin voltage (Full charge all off) VOUTn VDD VSS OUTn pin voltage (Full charge all on) VOUTn VDD pin voltage +VDETn −VDETn tDETn tDETn tRELn tRELn Δ − VDETn Δ + VDETn Figure 15 Test Condition of Response Time Remark 1. Refer to "Figure 5 Test Circuit 1 " for the test condition of the response time. 2. n = 1 to 3

S-8229 Series Rev.1.0_01 Seiko Instruments Inc. 18  Marking Specifications 1. SOT-23-6 123 465 Top view (1) (2) (3) (4) (1) to (3): Product code (Refer to Product name vs. Product code ) (4): Lot number Product name vs. Product code Product Name Product Code (1) (2) (3) S-8229AAA-M6T1U Y S A S-8229AAB-M6T1U Y S B S-8229AAC-M6T1U Y S C 2. SNT-6A Top view 13 2 64 5 (1) (2) (3) (4) (5) (6) (1) to (3): Product code (Refer to Product name vs. Product code ) (4) to (6): Lot number Product name vs. Product code Product Name Product Code (1) (2) (3) S-8229AAF-I6T1U Y S F

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