BL2513A BELLING | Alldatasheet
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BL2513A BL2513A BL2513A BL2513A www.belling.com.cn 1 V1.0 USB dedicated charging port (DCP) controller BL2513A
DESCRIPTION
The BL2513A is USB dedicated charging port (DCP) co ntrollers. Applications include vehicle power charger, wall adapters with USB DCP a nd other USB chargers. The BL2513A controller has the auto-detect feature that monitors the D+ and D– line voltages of the USB connector, providing the correc t electrical signatures on the DP and DM pins for the correct detections of compliant portable devices to fast charge. These portable devices include smart phones, 5-V ta blets and personal media players. The BL2513A support five of the most common protoco ls: Divider 3 (DCP Applying 2.7V on D+ Line and 2.7V o n D– Line) USB Battery Charging Specification, Revision 1.2 ( BC1.2) Chinese Telecommunications Industry Standard YD/T 1591-2009 1.2V on both D+ and D– lines
FEATURES
In accordance with USB Battery Charging Specificat ion, Revision 1.2 (BC1.2), support USB DCP D+ line shorted to D- line. In accordance with Chinese Telecommunications Indu stry Standard YD/T 1591-2009, support Short mode. ( support D+ line sh orted to D- line) Support DCP applying 2.7 V on D+ Line and 2.7 V on D– Line, Support DCP applying 1.2V to the D+ Line and 1.2V to the D– Line Automatic switching D+ Line and D- Line for connec ted devices. Double USB port controller. Operation voltage range from 4.5V to 5.5V
APPLICATIONS
AC-DC adapter with USB port Other USB charger
www.belling.com.cn 2 V1.0 BLOCK DIAGRAM PIN CONFIGURATION PIN DESCRIPTION No. Name Typ e description
1 DP1 I/O Connected to the D+ or D– line of USB connector, pr ovide the
correct voltage with attached portable equipment fo r DCP detection.
2 GND G Ground connection
3 DP2 I/O Connected to the D+ or D– line of USB connector, pr ovide the
correct voltage with attached portable equipment fo r DCP detection.
4 DM2 I/O Connected to the D+ or D– line of USB connector, pr ovide the
correct voltage with attached portable equipment fo r DCP detection.
5 IN P
Power supply. Connect a ceramic capacitor with a va lue of 0.1-µF or greater from the IN pin to GND as close to the d evice as possible.
6 DM1 I/ O Connected to the D+ or D– line of USB connector, pr ovide the
correct voltage with attached portable equipment fo r DCP detection.
www.belling.com.cn 3 V1.0 ABSOLUTE MAXIMUM RATINGS * Over recommended junction temperature range, voltages are referenced to GND (unless otherwise no ted) Characteristic Conditions Min. Max. Unit IN -0.3 7 DP1,DP2 output voltage, DM1,DM2 output voltage -0.3
5.8 Voltage range
DP1,DP2 input voltage, DM1,DM2 input voltage -0.3 5.8 V Continuous output sink current DP1,DP2 input voltage, DM1,DM2 input voltage 35 mA Continuous output source current DP1,DP2 output voltage, DM1,DM2 output voltage 35 mA Operating junction temperature TJ -40 125 ℃ Storage temperature range Tstg -65 150 ℃ ESD (human body mode) 8000 V *Stresses beyond those listed under Absolute Maximu m Ratings may cause permanent damage to the device. These are stress ratings only, and f unctional operation of the device at these or any other conditions beyond those indicated under R ecommended Operating Conditions is not implied. Exposure to absolute-maximum-rated conditi ons for extended periods may affect device reliability. THERMAL INFORMATION Thermal metrc Symbol DBV Unit Junction-to-ambient thermal resistance θJA 179.9 Junction-to-case (top) thermal resistance θJCtop 117.5 Junction-to-board thermal resistance θJB 41.9 Junction-to-top characterization parameter ψJT 17.2 Junction-to-board characterization parameter ψJB 41.5 Junction-to-case (bottom) thermal resistance θJCbot N/A ℃ /W RECOMMENDED OPERATING CONDITIONS Voltages are referenced to GND (unless otherwise no ted), positive current are into pins. Characteristic Symbol Min. Max. Unit Input voltage of IN VIN 4.5 5.5 V DP1 data line input voltage VDP1 0 5.5 V DM1 data line input voltage VDM 1 0 5.5 V Continuous sink or source current ID P1 ±10 mA Continuous sink or source current IDM 1 ±10 mA DP2 data line input voltage VDP2 0 5.5 V DM2 data line input voltage VDM 2 0 5.5 V Continuous sink or source current ID P2 ±10 mA Continuous sink or source current IDM 2 ±10 mA Operating junction temperature TJ -40 125 ℃
www.belling.com.cn 4 V1.0
ELECTRICAL CHARACTERISTICS
Conditions are –40°C ≤ (T J = T A ) ≤ 125°C, 4.5V ≤ V I N ≤ 5.5V. Positive current are into pins. Typical values are at 25°C. All voltages are with respect to GND (unless otherwise noted). Characteristic Symbol Condit ion s Min. Typ. Max Unit Undervoltage Lockout IN rising UVLO threshold voltage V UV LO 3.89 4.15 4.38 V Hysteresis 100 mV Supply Current IN supply current IIN 4.5 V ≤ V IN ≤ 5.5 V 155 231 µA BC 1.2 DCP Mode(Short Mode) DP1 and DM1 shorting resistance R DPM _ S H OR VDP1 =0.8V, IDM 1 = 1mA 157 200 Ω Resistance between DP1/DM1 and GND R DC H G_ S H O R T1 VDP1 =0.8 V 350 656 1150 kΩ Voltage threshold on DP1 under which the device goes back to divider mode VDP L_ T H_ D E T AC H1 310 330 350 mV Hysteresis VDP L_ T H_ D E T AC H_ H Y S 50 mV DP2 and DM2 shorting resistance R DPM _ S H OR VDP2 =0.8V, IDM 2= 1mA 157 200 Ω Resistance between DP2/DM2 and GND R DC H G_ S H O R T2 VDP2 =0.8 V 350 656 1150 kΩ Voltage threshold on DP2 under which the device goes back to divider mode VDP L_ T H_ D E T AC H2 310 330 350 mV Hysteresis VDP L_ T H_ D E T AC H_ H Y S 50 mV Divider Mode DP1 output voltage VDP1 _ 2 . 7 V V IN =5V 2.56 2.7 2.87 V DM1 output voltage VDM 1 _ 2 。 7 V VIN =5V 2.56 2.7 2.87 V DP1 output impedance RDP1 _ P AD1 ID P1 =-5 µA 23.9 30 36.1 kΩ DM1 output impedance RDM 1 _ P AD1 IDM 1=-5 µA 23.9 30 36.1 kΩ DP2 output voltage VDP2 _ 2 . 7 V V IN =5V 2.56 2.7 2.87 V DM2 output voltage VDM 2 _ 2 . 7 V VIN =5V 2.56 2.7 2.87 V DP2output impedance RDP2 _ P AD1 ID P2 =-5 µA 23.9 30 36.1 kΩ DM2output impedance RDM 2 _ P AD1 IDM 2 =-5 µA 23.9 30 36.1 kΩ 1.2V/1.2V Mode DP1 output voltage VDP1 V IN =5V 1.11 1.2 1.29 V DM1 output voltage VDM 1 V IN =5V 1.11 1.2 1.29 V DP1 output impedance RDP1 _ P AD1 ID P1 =-5 µA 79.9 102 130.1 kΩ
www.belling.com.cn 5 V1.0 DM1 output impedance RDM 1 _ P AD1 IDM 1=-5 µA 79.9 102 130.1 kΩ DP2 output voltage VDP2 V IN =5V 1.11 1.2 1.29 V DM2 output voltage VDM 2 V IN =5V 1.11 1.2 1.29 V DP2output impedance RDP2 _ P AD1 ID P2 =-5 µA 79.9 102 130.1 kΩ DM2output impedance RDM 2 _ P AD1 IDM 2 =-5 µA 79.9 102 130.1 kΩ * Specified by design. Not production tested. APPLICATION SUMMARY OVERVIEW The following overview references various industry standards. It is always recommended to consult the latest standard to ensur e the most recent and accurate information. Rechargeable portable equipment requires an externa l power source to charge its batteries. USB ports are convenient locations for c harging because of an available 5-V power source. Universally accepted standards ar e required to ensure host and client-side devices meet the power management requi rements. Traditionally, USB host ports following the USB 2.0 Specification must provide at least 500 mA to downstream client-side devices. Because multiple US B devices can be attached to a single USB port through a bus-powered hub, it is th e responsibility of the client-side device to negotiate the power allotment from the ho st to guarantee the total current draw does not exceed 500 mA. In general, each USB d evice can subsequently request more current, which is granted in steps of 100 mA up 500 mA total. The host may grant or deny the request based on the availabl e current. Additionally, the success of the USB technology mak es the micro-USB connector a popular choice for wall adapter cables. This allows a portable device to charge from both a wall adapter and USB port with only one conn ector. One common difficulty has resulted from this. As US B charging has gained popularity, the 500-mA minimum defined by the USB 2.0 Specifica tion or 900 mA defined in the USB 3.0 Specification, has become insufficient for many handsets, tablets and personal media players (PMP) which have a higher ra ted charging current. Wall adapters and car chargers can provide much more cur rent than 500 mA or 900 mA to fast charge portable devices. Several new standards have been introduced defining protocol handshaking methods that allow host and cl ient devices to acknowledge and draw additional current beyond the 500 mA (defined in the USB 2.0 Specification) or 900 mA (defined in the USB 3.0 Specification) minim um while using a single
www.belling.com.cn 6 V1.0 micro-USB input connector. The BL2513A support four of the most common protoco ls: USB Battery Charging Specification, Revision 1.2 ( BC1.2) Chinese Telecommunications Industry Standard YD/T 1591-2009 Divider mode
1.2 Von both D+ and D– lines
YD/T 1591-2009 is a subset of the BC1.2 specificati on supported by the vast majority of devices that implement USB charging. Divider and 1.2-V charging schemes are supported in devices from specific yet popular devi ce makers. BC1.2 has three different port types, listed as follows. Standard downstream port (SDP) Charging downstream port (CDP) Dedicated charging port (DCP) The BC1.2 Specification defines a charging port as a downstream facing USB port that provides power for charging portable equipment . Table 1 shows different port operating modes according to t he BC1.2 Specification. Table1. Operating Modes Table The BC1.2 Specification defines the protocol necess ary to allow portable equipment to determine what type of port it is connected to s o that it can allot its maximum allowable current drawn. The hand-shaking process i s two steps. During step one, the primary detection, the portable equipment outpu ts a nominal 0.6 Voutput on its D+ line and reads the voltage input on its D– line. The portable device concludes it is connected to a SDP if the voltage is less than t he nominal data detect voltage of 0.3 V. The portable device concludes that it is con nected to a Charging Port if the D– voltage is greater than the nominal data detect vol tage of 0.3V and less than 0.8 V. The second step, the secondary detection, is necess ary for portable equipment to determine between a CDP and a DCP. The portable dev ice outputs a nominal 0.6 V output on its D– line and reads the voltage input o n its D+ line. The portable device concludes it is connected to a CDP if the data line being remains is less than the Port Typt Supports USB2.0 Communication Maximum Allowable Current Drawn by Portable Equipment(A) SDP(USB2.0) Yes 0.5 SDP(USB3.0) Yes 0.9 CDP Yes 1.5 DCP No 1.5
www.belling.com.cn 7 V1.0 nominal data detect voltage of 0.3 V. The portable device concludes it is connected to a DCP if the data line being read is greater tha n the nominal data detect voltage of 0.3 V and less than 0.8 V. Dedicated Charging Port (DCP) A dedicated charging port (DCP) is a downstream por t on a device that outputs power through a USB connector, but is not capable o f enumerating a downstream device, which generally allows portable devices to fast charge at their maximum rated current. A USB charger is a device with a DCP , such as a wall adapter or car power adapter. A DCP is identified by the electrica l characteristics of its data lines. The following DCP identification circuits are usual ly used to meet the handshaking detections of different portable devices. Short the D+ Line to the D– Line The USB BC1.2 Specification and the Chinese Telecom munications Industry Standard YD/T 1591-2009 define that the D+ and D– d ata lines should be shorted together with a maximum series impedance of 200 Ω. This is shown in Figure1. Fig 1. DCP Short Mode Divider 3 (DCP Applying 2.7 V on D+ Line and 2.7 V on D– Line) There is one charging scheme for divider DCP. The D ivider 3 charging scheme is used for 12-W adapters, and applies 2.7V on D+ and D- lines. Fig 2. Divider 3 DCP
www.belling.com.cn 8 V1.0 The BL2513A is USB dedicated charging port (DCP) co ntrollers. Applications include vehicle power charger, wall adapters with USB DCP a nd other USB chargers. The BL2513A controllers has the auto-detect feature tha t monitors the D+ and D– line voltages of the USB connector, providing the correc t electrical signatures on the DP and DM pins for the correct detections of compliant portable devices to fast charge. These portable devices include smart phones, 5-V ta blets and personal media players. DCP Auto-Detect The BL2513A integrate an auto-detect feature to sup port divider mode, short mode and 1.2V / 1.2Vmodes. If a divider device is attach ed, 2.7V is applied to the DP pin and 2.7V is applied to the DM pin. Fig 3. DCP Auto-Detect Functional Diagram Undervoltage Lockout (UVLO) The undervoltage lockout (UVLO) circuit disables DP 1and DM1 output voltage until the input voltage reaches the UVLO turn-on threshol d. Built-in hysteresis prevents unwanted oscillations due to input voltage drop fro m large current surges. The BL2513A only provide the correct electrical sig natures on the data line of USB charger portand do not provide any power for the VB US. Divide Mode Selection of 5-W and 10-W USB Chargers The BL2513A provide one type of connections between the DP pin and the DM pin and between the D+ data line and the D– data line o f the USB connector for a 12-W
www.belling.com.cn 9 V1.0 USB charger Table2 Charging Scheme for 12-W USB Chargers Fig 4. 12-w USB Charge Application Layout Guidelines Place the BL2513A near the USB output connector and place the 0.1-µF bypass capacitor near the IN pin. APPLICATION CIRCUIT USB Charger Type Containing Charging Schemes 12-W Divider 3 2.7V on both D+ and D- Lines BC1.2DCP
www.belling.com.cn 10 V1.0 CHARACTERISTICS CURVES
www.belling.com.cn 11 V1.0
www.belling.com.cn 12 V1.0 OUTLINE DRAWING SOT-23-6 Unit: mm