ZHCSCI8 May   2014

PRODUCTION DATA.  

  1. 1 特性
  2. 2 应用范围
  3. 3 说明
  4. 4 简化电路原理图
  5. 5 修订历史记录
  6. 6 Pin Configuration and Functions
  7. 7 Specifications
    1. 7.1 Absolute Maximum Ratings
    2. 7.2 Handling Ratings
    3. 7.3 Recommended Operating Conditions
    4. 7.4 Thermal Information
    5. 7.5 Electrical Characteristics
    6. 7.6 Typical Characteristics
  8. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1  Dynamic Rectifier Control
      2. 8.3.2  Dynamic Power Scaling
      3. 8.3.3  VO_REG Calculations
      4. 8.3.4  RILIM Calculations
      5. 8.3.5  Adapter Enable Functionality
      6. 8.3.6  Turning Off the Transmitter
        1. 8.3.6.1 End Power Transfer (EPT)
      7. 8.3.7  Communication Current Limit
      8. 8.3.8  PD_DET and TMEM
      9. 8.3.9  TS/CTRL
      10. 8.3.10 I2C Communication
      11. 8.3.11 Input Overvoltage
    4. 8.4 Device Functional Modes
    5. 8.5 Register Maps
  9. 9 Applications and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Applications
      1. 9.2.1 WPC Power Supply 5-V Output With 1-A Maximum Current and I2C
        1. 9.2.1.1 Design Requirements
        2. 9.2.1.2 Detailed Design Procedure
          1. 9.2.1.2.1 Output Voltage Set Point
          2. 9.2.1.2.2 Output and Rectifier Capacitors
            1. 9.2.1.2.2.1 TMEM
          3. 9.2.1.2.3 Maximum Output Current Set Point
          4. 9.2.1.2.4 TERM Pin
          5. 9.2.1.2.5 I2C
          6. 9.2.1.2.6 Communication Current Limit
          7. 9.2.1.2.7 Receiver Coil
          8. 9.2.1.2.8 Series and Parallel Resonant Capacitors
          9. 9.2.1.2.9 Communication, Boot, and Clamp Capacitors
        3. 9.2.1.3 Application Performance Plots
      2. 9.2.2 bq5102x Standalone in System Board or Back Cover
  10. 10Power Supply Recommendations
  11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
  12. 12器件和文档支持
    1. 12.1 相关链接
    2. 12.2 Trademarks
    3. 12.3 Electrostatic Discharge Caution
    4. 12.4 Glossary
  13. 13机械封装和可订购信息

封装选项

机械数据 (封装 | 引脚)
散热焊盘机械数据 (封装 | 引脚)
订购信息

7 Specifications

7.1 Absolute Maximum Ratings

over operating free-air temperature range (unless otherwise noted)(1)(2)
PIN MIN MAX UNIT
Input voltage AC1, AC2 –0.8 20 V
RECT, COMM1, COMM2, OUT, , CLAMP1, CLAMP2, WPG, PD_DET –0.3 20
AD, AD-EN –0.3 30
BOOT1, BOOT2 –0.3 20
SCL, SDA, TERM, CM_ILIM, FOD, TS/CTRL, ILIM, TMEM, VTSB, VO_REG, LPRBEN –0.3 7
Input current AC1, AC2 (RMS) 2.5 A
Output current OUT 1.5 A
Output sink current WPG, PD_DET 15 mA
Output sink current COMM1, COMM2 1.0 A
TJ, junction temperature –40 150 °C
(1) All voltages are with respect to the PGND pin, unless otherwise noted.
(2) Stresses beyond those listed under absolute maximum ratings may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated under recommended operating conditions is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.

7.2 Handling Ratings

MIN MAX UNIT
Tstg Storage temperature range –65 150 °C
VESD(1) Electrostatic discharge Human body model (HBM), per ANSI/ESDA/JEDEC JS-001, all pins(2), 100 pF, 1.5 kΩ –2 2 kV
Charged device model (CDM), per JEDEC specification JESD22-C101, all pins(3) –500 500 V
(1) Electrostatic discharge (ESD) to measure device sensitivity and immunity to damage caused by assembly line electrostatic discharges in to the device.
(2) JEDEC document JEP155 states that 500-V HBM allows safe manufacturing with a standard ESD control process.
(3) JEDEC document JEP157 states that 250-V CDM allows safe manufacturing with a standard ESD control process.

7.3 Recommended Operating Conditions

over operating free-air temperature range (unless otherwise noted)
MIN MAX UNIT
VRECT RECT voltage 4.0 10.0 V
IOUT Output current 1.0 A
IAD-EN Sink current 1 mA
ICOMM COMMx sink current 500 mA
TJ Junction temperature 0 125 ºC

7.4 Thermal Information

THERMAL METRIC(1) bq5102x UNIT
YFP (42 PINS)
RθJA Junction-to-ambient thermal resistance(2) 49.7 °C/W
RθJC(top) Junction-to-case (top) thermal resistance(3) 0.2
RθJB Junction-to-board thermal resistance(4) 6.1
ψJT Junction-to-top characterization parameter(5) 1.4
ψJB Junction-to-board characterization parameter(6) 6.0
(1) For more information about traditional and new thermal metrics, see the IC Package Thermal Metrics application report, SPRA953.
(2) The junction-to-ambient thermal resistance under natural convection is obtained in a simulation on a JEDEC-standard, high-K board, as specified in JESD51-7, in an environment described in JESD51-2a.
(3) The junction-to-case (top) thermal resistance is obtained by simulating a cold plate test on the package top. No specific JEDEC-standard test exists, but a close description can be found in the ANSI SEMI standard G30-88.
(4) The junction-to-board thermal resistance is obtained by simulating in an environment with a ring cold plate fixture to control the PCB temperature, as described in JESD51-8.
(5) The junction-to-top characterization parameter, ψJT, estimates the junction temperature of a device in a real system and is extracted from the simulation data for obtaining RθJA, using a procedure described in JESD51-2a (sections 6 and 7).
(6) The junction-to-board characterization parameter, ψJB, estimates the junction temperature of a device in a real system and is extracted from the simulation data for obtaining RθJA , using a procedure described in JESD51-2a (sections 6 and 7).

7.5 Electrical Characteristics

over operating free-air temperature range (unless otherwise noted) , ILOAD = IOUT
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
VUVLO Undervoltage lockout VRECT: 0 to 3 V 2.8 2.9 V
VHYS-UVLO Hysteresis on UVLO VRECT: 3 to 2 V 393 mV
VRECT-OVP Input overvoltage threshold VRECT: 5 to 16 V 14.6 15.1 15.6 V
VHYS-OVP Hysteresis on OVP VRECT: 16 to 5 V 1.5 V
VRECT(REG) Voltage at RECT pin set by communication with primary VOUT + 0.120 VOUT + 2.0 V
VRECT(TRACK) VRECT regulation above VOUT VILIM = 1.2 V 140 mV
ILOAD-HYS ILOAD hysteresis for dynamic VRECT thresholds as a % of IILIM ILOAD falling 4
VRECT-DPM Rectifier under voltage protection, restricts IOUT at VRECT-DPM 3 3.1 3.2 V
VRECT-REV Rectifier reverse voltage protection with a supply at the output VRECT-REV = VOUT – VRECT, VOUT = 10 V 8.8 9.2 V
QUIESCENT CURRENT
IOUT(standby) Quiescent current at the output when wireless power is disabled VOUT ≤ 5 V, 0°C ≤ TJ ≤ 85°C 20 35 µA
ILIM SHORT CIRCUIT
RILIM-SHORT Highest value of RILIM resistor considered a fault (short). Monitored for IOUT > 100 mA RILIM: 200 to 50 Ω. IOUT latches off, cycle power to reset 209 235 Ω
tDGL-Short Deglitch time transition from ILIM short to IOUT disable 1 ms
ILIM_SC ILIM-SHORT,OK enables the ILIM short comparator when IOUT is greater than this value ILOAD: 0 to 200 mA 110 125 140 mA
ILIM-SHORT,OK HYSTERESIS Hysteresis for ILIM-SHORT,OK comparator ILOAD: 200 to 0 mA 20 mA
IOUT-CL Maximum output current limit Maximum ILOAD that can be delivered for 1 ms when ILIM is shorted 3.7 A
OUTPUT
VO_REG Feedback voltage set point ILOAD = 1000 mA 0.4950 0.5013 0.5075 V
ILOAD = 1 mA 0.4951 0.5014 0.5076
KILIM Current programming factor for hardware short circuit protection RILIM = KILIM / IILIM, where IILIM is the hardware current limit
IOUT = 850 mA		 842 AΩ
IOUT_RANGE Current limit programming range 1500 mA
ICOMM Output current limit during communication IOUT ≥ 320 mA IOUT – 50 mA
100 mA ≤ IOUT < 320 mA IOUT + 50
IOUT < 100 mA 200
tHOLD-OFF Hold off time for the communication current limit during startup 1 s
TS/CTRL
VTS-Bias TS bias voltage (internal) ITS-Bias < 100 µA and communication is active (periodically driven, see tTS/CTRL-Meas) 1.8 V
VCTRL-HI CTRL pin threshold for a high VTS/CTRL: 50 to 150 mV 90 105 120 mV
TTS/CTRL-Meas Time period of TS/CTRL measurements, when TS is being driven TS bias voltage is only driven when power packets are sent 1700 ms
VTS-HOT Voltage at TS pin when device shuts down 0.38 V
THERMAL PROTECTION
TJ(OFF) Thermal shutdown temperature 155 °C
TJ(OFF-HYS) Thermal shutdown hysteresis 20 °C
OUTPUT LOGIC LEVELS ON WPG
VOL Open drain WPG pin ISINK = 5 mA 550 mV
IOFF,STAT WPG leakage current when disabled VWPG = 20 V 1 µA
COMM PIN
RDS-ON(COMM) COMM1 and COMM2 VRECT = 2.6 V 1.0 Ω
fCOMM Signaling frequency on COMMx pin for WPC 2.00 Kb/s
IOFF,COMM COMMx pin leakage current VCOMM1 = 20 V, VCOMM2 = 20 V 1 µA
CLAMP PIN
RDS-ON(CLAMP) CLAMP1 and CLAMP2 0.5 Ω
ADAPTER ENABLE
VAD-EN VAD rising threshold voltage VAD 0 V to 5 V 3.5 3.6 3.8 V
VAD-EN-HYS VAD-EN hysteresis VAD 5 V to 0 V 450 mV
IAD Input leakage current VRECT = 0 V, VAD = 5 V 50 μA
RAD_EN-OUT Pullup resistance from AD-EN to OUT when adapter mode is disabled and VOUT > VAD VAD = 0 V, VOUT = 5 V 230 350 Ω
VAD_EN-ON Voltage difference between VAD and VAD-EN when adapter mode is enabled VAD = 5 V, 0°C ≤ TJ ≤ 85°C 4 4.5 5 V
VAD = 9 V, 0°C ≤ TJ ≤ 85°C 3 6 7 V
SYNCHRONOUS RECTIFIER
ISYNC-EN IOUT at which the synchronous rectifier enters half synchronous mode IOUT: 200 to 0 mA 100 mA
ISYNC-EN-HYST Hysteresis for IOUT,RECT-EN (full-synchronous mode enabled) IOUT 0 to 200 mA 40 mA
VHS-DIODE High-side diode drop when the rectifier is in half synchronous mode IAC-VRECT = 250 mA, and
TJ = 25°C		 0.7 V
I2C (ONLY FOR bq51021)
VIL Input low threshold level SDA V(PULLUP) = 1.8 V, SDA 0.4 V
VIH Input high threshold level SDA V(PULLUP) = 1.8 V, SDA 1.4 V
VIL Input low threshold level SCL V(PULLUP) = 1.8 V, SCL 0.4 V
VIH Input high threshold level SCL V(PULLUP) = 1.8 V, SCL 1.4 V
I2C speed Typical 100 kHz

7.6 Typical Characteristics

D001_SLUSBS9.gif
Temp = 25°C TX = bq500212A
Figure 1. Output Regulation as a Function of Load
D003_SLUSBS9.gif
Figure 3. KILIM as a Function of Load Current
D005_SLUSBS9.gif
Figure 5. VO_REG by Different I2C Codes, 1-mA Load
D002_SLUSBS9.gif
Figure 2. Quiescent Current as a Function of Output Voltage
D004_SLUSBS9.gif
Figure 4. UVLO as a Function of Junction Temperature
D006_SLUSBS9.gif
Figure 6. VO_REG by Different I2C Codes, 1-A Load
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