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TPS65217
SLVSB6...
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Technical Documents
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Reference Design
TPS65217
SLVSB64I – NOVEMBER 2011 – REVISED MARCH 2018
TPS65217x Single-Chip PMIC for Battery-Powered Systems
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 – 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
1
2 Applications
Sitara™ AM335x Processor Power Portable Navigation Systems Tablet Computing ...