1 Features
1
•
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
–
Fixed Frequency Operation
–
Power-Save Mode at Light-Load Current
–
Output Voltage Accuracy in PWM Mode ±2%
–
99% 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
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