RT9525GQW
Power Management
Technical Specifications
| Type | Description |
|---|---|
| End-Off Voltage | - |
| Number of Cells | 1 |
| Battery Temperature Detection | Support |
| 0V Battery Charge | - |
| Type of Battery | Lithium Battery |
| The Chip Type | Charging IC |
| Balance Current | - |
| Charge Current - Max | 1.8A |
| Type | Description |
|---|---|
| Charging Saturation Voltage | 4.2V |
| Supply Voltage | 4.2V~6V |
| Quiescent Current | 195 µA |
| Operating Temperature | -40°C~+85°C |
| Interface | - |
| Features | Trickle charging;Constant current charging;Constant voltage charging;Automatic recharge;Charge termination;Programmable charging current;Overvoltage protection;Short-Circuit Protection;Under-voltage lockout |
| Package / Case | WQFN-16-EP(3x3) |
Product Introduction
The RT9525 is an integrated single cell Li-ion battery charger with Auto Power Path Management (APPM). No external MOSFETs are required. The RT9525 enters sleep mode when power is removed. Charging tasks are optimized by using a control algorithm to vary the charge rate including pre-charge mode, fast charge mode and constant voltage mode. For the RT9525, the charge current can also be programmed with an external resister. Additionally, the internal thermal feedback circuitry regulates the die temperature to optimize the charge rate for all ambient temperatures. The charging task will always be terminated in constant voltage mode when the charging current reduces to the termination current of 20% ICHG_FAST. Other features include under voltage protection and over voltage protection for the VIN supply.
Features
- 28V Maximum Rating for VIN Power
- Selectable Power Current Limit (0.1A / 0.5A / 1.5A)
- Integrated Power MOSFETs
- Auto Power Path Management (APPM)
- Programmable Charging Current Timer and Safe Charge Timer
- Under Voltage Protection
- Over Voltage Protection
- Power Good and Charger Status Indicator
- Optimized Charge Rate via Thermal Feedback
- 16-Lead WQFN Package
- RoHS Compliant and Halogen Free
Applications
- Digital Cameras
- PDAs and Smart Phones
- Portable Instruments
Datasheet
Alternative Parts
Common RT9525GQW alternatives overseas buyers search for:
Compliance & Export Codes
| Type | Details |
|---|---|
| RoHS | ROHS3 |
| ECCN | EAR99 |
| CNHTS | 8542399000 |
| USHTS | 8542390001 |
| TARIC | 8542399000 |
| Type | Details |
|---|---|
| CAHTS | 8542390000 |
| BRHTS | 85423999 |
| INHTS | 85423900 |
| MXHTS | 8542.39.99 |
Sourcing Information
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