TPS65217x Single-Chip PMIC for Battery-Powered Systems

1 Features

Charger and Power Path
- 2-A Output Current on Power Path
- Linear Charger; 700-mA Maximum Charge Current
- 20-V Tolerant USB and AC Inputs
- Thermal Regulation, Safety Timers
- Temperature Sense Input
Step-Down Converter (DCDC1, DCDC2, DCDC3)
- Three Step-Down Converter With Integrated Switching FETs
- 2.25-MHz Fixed Frequency Operation
- Power-Save Mode at Light-Load Current
- Output Voltage Accuracy in PWM Mode ±2%
- 100% Duty Cycle for Lowest Dropout
- Typical 15-µA Quiescent per Converter
- Passive Discharge to Ground When Disabled
LDO Regulators (LDO1, LDO2)
- Two Adjustable LDOs
- LDO2 can be Configured to Track DCDC3
- Typical 15-µA Quiescent Current
Load Switches (LDO3, LDO4)
- Two Independent Load Switches That Can Be Configured as LDOs
WLED Driver
- Internally Generated PWM for Dimming Control
- 38-V Open-LED Protection
- Supports Two Strings of up to 10 LEDs at 25 mA Each
- Internal Low-Side Current Sinks
Protection
- Undervoltage Lockout and Battery Fault Comparator
- Always-On Push-Button Monitor
- Hardware Reset Pin
- Password Protected I²C Registers
Interface
- I²C Interface (Address 0x24)
- Password-Protected I²C Registers