3A, Single Cell Li-Ion DC/DC Switching Charger with I2C Control, USB Detection and OTG JEITA Compliant, Power Path Management
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- Parameters
 - Features
 - Description
 
| Part Number | SY20743BQCC | 
|---|
| Description |  | 
|---|
| Vin_min (V) | 3.9 | 
|---|
| Vin_max (V) | 13.5 | 
|---|
| Vo_min (V) |  | 
|---|
| Max. Charge Current (A) | 3 | 
|---|
| Iq (uA) |  | 
|---|
| Fsw (MHz) | 1.5 | 
|---|
| Cell Voltage | 3.856~4.624V | 
|---|
| Series Cells | 1 | 
|---|
| Features / Special Function | NVDC power path management, OTG, BC1.2 compliance, USB source detection | 
|---|
| Package | QFN4x4-24 | 
|---|
- High Efficiency 3A 1.5MHz Buck Mode Charger
 
      – Support 3.9V-13.5V Input Voltage Range
      – Programmable IDPM/VDPM to Support the USB and Adapter
      – 3.856V-4.624V Adjustable Charge Voltage
      – Support Narrow VDC Power Path Management
      – JEITA Compliance
      – ±0.5% Charge Voltage Regulation
      – Charge Status Outputs for LED or Host Processor
- Maximum 1.2A 1.5MHz Boost OTG Current
 
      – 4.85V-5.3V Adjustable OTG Output Voltage
      – Selectable OTG Output Current Limit
      – ±1.5% Output Regulation in Boost Mode
      – Soft-Start up to 500μF Capacitive Load
      – Constant Current (CC) Limit
- Full BATFET Control to Support Shipping Mode, Wake up, and  System Reset
 
- Safety
 
      – Battery Temperature Sensing for Charge and Boost Mode
      – Battery Charging Safety Timer
      – Thermal Regulation and Thermal Shutdown
      – Input/System over-Voltage Protection
      – MOSFET over-Current Protection
- Low Battery Leakage Current and Support Shipping Mode
 
- 4mm x 4mm QFN-24 Package
 
Evaluation Board
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Photo of evaluation board
Photo of evaluation board
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The EVB_SY20743BQCC is used to evaluate 3A single cell Li-Ion DC/DC switching charger SY20743BQCC.
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