Weltrend | Products

Fast charge protocol controllers

WT6680F

WT6680F is a fast charge interface controller that integrates the circuits and control logics of USB Battery Charging Specification, Revision 1.2 (BC1.2) SDP, DCP and CDP Source & Sink Modes, High Voltage Dedicated Charging Port (HVDCP) interface with Qualcomm^® Quick Charge ™ 2.0/ Quick Charge 3.0/ Quick Charge 3+.

Features

- Sink mode features:
- USB BC1.2 SDP/CDP/DCP detection
- Qualcomm^® Quick Charge 2.0/ Quick Charge 3.0/ Quick Charge 3+ detection

- OCP (Other Charging Port) detection

- Floating charger detection
- Source mode features:
- USB BC 1.2

- HVDCP Quick Charge 2.0 (5/9/12V)

- HVDCP Quick Charge 3.0 (3.6V to 12V)

- HVDCP Quick Charge 3+ (3.6V to 12V)
- Slave mode I²C interface, up to 400 kHz
- DP/DM are low voltage (5V) pins with the OVP & impedance detection between DP/DM and GND.
- The default is sink mode and could be swapped to source mode by application processor commands.
- VBUS voltage monitoring
- 10-bit ADC with comparator mode
- 3T 8052 core, MCS-51 instruction set compatible, Instruction execution time: Min. = 250ns @12 MHz
- 256 Bytes of RAM
- 6K bytes of flash memory for program storage
- Internal RC Oscillator 12 MHz
- Operation voltage: 2.7V to 5.5V
- Sleep mode current consumption = 5µA (typ.)
- Operation temperature: -40°C to 85°C
- Green Package: WL-CSP, 9-ball

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