SLUSBB1B December   2012  – June 2016

 

  1. 1 Features
  2. 2 Applications
  3. 3 Description
  4. 4 Revision History
  5. 5 Pin Configuration and Functions
  6. 6 Specifications
    1. 6.1 Absolute Maximum Ratings
    2. 6.2 Recommended Operating Conditions
    3. 6.3 Thermal Information
    4. 6.4 Electrical Characteristics
    5. 6.5 Typical Characteristics Curves
  7. 7 Detailed Description
    1. 7.1 Overview
      1. 7.1.1 Fundamentals
      2. 7.1.2 Wireless Power Consortium (WPC)
      3. 7.1.3 Power Transfer
      4. 7.1.4 Communication
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1  Dynamic Power Limiting™
      2. 7.3.2  Option Select Pin
      3. 7.3.3  LED Indication Modes
      4. 7.3.4  Parasitic Metal Object Detect (PMOD) and Foreign Object Detection (FOD)
      5. 7.3.5  Shut Down via External Thermal Sensor or Trigger
      6. 7.3.6  Fault Handling and Indication
      7. 7.3.7  Power Transfer Start Signal
      8. 7.3.8  Power-On Reset
      9. 7.3.9  External Reset, RESET Pin
      10. 7.3.10 Trickle Charge and CS100
      11. 7.3.11 Current Monitoring Requirements
      12. 7.3.12 Overcurrent Protection
      13. 7.3.13 MSP430G2001 Low Power Supervisor
        1. 7.3.13.1 MSP430 Low Power Supervisor Details
      14. 7.3.14 All Unused Pins
  8. 8 Application and Implementation
    1. 8.1 Typical Application
      1. 8.1.1 Detailed Design Procedure
        1. 8.1.1.1 Coils and Matching Capacitors
        2. 8.1.1.2 Input Regulator
        3. 8.1.1.3 Power Train
        4. 8.1.1.4 Low Power Supervisor
        5. 8.1.1.5 Disabling Low Power Supervisor Mode
  9. 9 Layout
    1. 9.1 Layout Guidelines
  10. 10Device and Documentation Support
    1. 10.1 Documentation Support
      1. 10.1.1 Related Documentation
    2. 10.2 Community Resources
    3. 10.3 Trademarks
    4. 10.4 Electrostatic Discharge Caution
    5. 10.5 Glossary
  11. 11Mechanical, Packaging, and Orderable Information

Package Options

Mechanical Data (Package|Pins)
Thermal pad, mechanical data (Package|Pins)
Orderable Information

5 Pin Configuration and Functions

RGZ Package
48-Pin VQFN
Top View
bq500211A PIN_lusbb1.gif

Pin Functions

PIN I/O DESCRIPTION
NAME NO.
AIN3 3 I This pin can be either connected to GND or left open. Connecting to GND can improve layout grounding.
AIN5 1 I This pin can be either connected to GND or left open. Connecting to GND can improve layout grounding.
AIN7 45 I This pin can be either connected to GND or left open. Connecting to GND can improve layout grounding.
BPCAP 35 — Bypass capacitor for internal 1.8-V core regulator. Connect bypass capacitor to GND.
BUZ_AC 23 O AC Buzzer Output. Outputs a 400-ms, 4-kHz AC pulse when charging begins.
BUZ_DC 24 O DC Buzzer Output. Outputs a 400-ms DC pulse when charging begins. This could also be connected to an LED via 470-Ω resistor.
COMM_A+ 37 I Digital demodulation non-inverting input A, connect parallel to input B+.
COMM_A- 38 I Digital demodulation inverting input A, connect parallel to input B-.
COMM_B+ 39 I Digital demodulation non-inverting input B, connect parallel to input A+.
COMM_B- 40 I Digital demodulation inverting input B, connect parallel to input A-.
DOUT_RX 22 I Leave this pin open.
DOUT_TX 21 I Leave this pin open.
DOUT_2B 15 O Optional Logic Output 2B. Leave this pin open.
DPWM_A 12 O PWM Output A, controls one half of the full bridge in a phase-shifted full bridge. Switching deadtimes must be externally generated.
DPWM_B 13 O PWM Output B, controls other half of the full bridge in a phase-shifted full bridge. Switching deadtimes must be externally generated.
EPAD 49 - Flood with copper GND plane and stitch vias to PCB internal GND plane.
FOD 17 O FOD read pin. Leave open unless PMOD and FOD thresholds need to be different. It controls the FOD threshold resistor read at startup.
GND 32 — GND.
GND 36 — GND.
GND 47 — GND.
I_SENSE 42 I Transmitter input current, used for efficiency calculations. Use 20-mΩ sense resistor and A=50 gain current sense amplifier.
LED_MODE 44 I Input to select from 4 LED modes.
LoPWR 4 I Dynamic Power Limiting™ (DPL) control pin. To set power mode to 500 mA, pull to GND. For full-power operation pull to 3.3-V supply.
LOSS_THR 43 I Input to program foreign and parasitic metal object detection threshold
MSP_CLK 18 I/O Used for boot loading the MSP430 low power supervisor. If MSP430 is not used, leave this pin floating.
MSP_MISO/LED_B 8 I MSP – TMS, SPI-MISO, LED-B -- If external MSP430 is not used, connect to an LED via 470-Ω resistor for status indication.
MSP_RST/LED_A 7 I MSP – Reset, LED-A -- If external MSP430 is not used, connect to an LED via 470-Ω resistor for status indication.
MSP_SYNC 14 O MSP SPI_SYNC, if external MSP430 is not used, leave this pin open.
MSP_TDO/PROG 26 I/O MSP-TDO, MSP430 programmed indication.
MSP_TEST 9 I MSP – Test, If external MSP430 is not used, leave this pin open.
MSP_MOSI/LPWR_EN 25 I/O Low standby power supervisor enable. If low power is not needed, connect this to GND.
PMOD 16 O PMOD read pin. Leave open unless PMOD and FOD thresholds need to be different. It controls the PMOD threshold resistor read at startup.
PMB_CLK 10 I/O 10-kΩ pull-up resistor to 3.3-V supply.
PMB_DATA 11 I/O 10-kΩ pull-up resistor to 3.3-V supply.
RESERVED 19 O Reserved, leave this pin open.
RESERVED 20 I Reserved, connect to GND.
RESERVED 48 I External Reference Voltage Input. Connect this input to GND.
RESERVED 27 I/O Reserved, leave this pin open.
RESERVED 28 I/O Reserved, leave this pin open.
RESERVED 29 I/O Reserved, leave this pin open.
RESERVED 30 I/O Reserved, leave this pin open.
RESERVED 31 I/O Reserved, connect 10-kΩ pull-down resistor to GND.
RESERVED 41 O Reserved, leave this pin open.
RESET 5 I Device reset. Use a 10-kΩ to 100-kΩ pull-up resistor to the 3.3-V supply.
SLEEP 6 O Low-power mode output. Starts low-power ping cycle.
T_SENSE 2 I Sensor Input. Device shuts down when below 1 V. If not used, keep above 1 V by connecting to the 3.3-V supply.
V_SENSE 46 I Transmitter input voltage, used for efficiency calculations. Use 76.8-kΩ to 10-kΩ divider to minimize quiescent current.
V33A 34 — Analog 3.3-V Supply. This pin can be derived from V33D supply, decouple with 10-Ω resistor and additional bypass capacitors
V33D 33 — Digital core 3.3-V supply. Be sure to decouple with bypass capacitors as close to the part as possible.