TPS65217A, TPS65217B, TPS65217C, TPS65217D
www.ti.com
SLVSB64F –NOVEMBER 2011–REVISED APRIL 2013
SINGLE-CHIP PMIC FOR BATTERY-POWERED SYSTEMS
Check for Samples: TPS65217A, TPS65217B, TPS65217C, TPS65217D
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FEATURES
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CHARGER/POWER PATH
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Switch Impedance 300 mΩ (Typical)
200-mA Current Limit
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2-A Output Current on Power Path
Passive Discharge to Ground When
Disabled
Linear Charger; 700-mA Maximum Charge
Current
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Configured as LDOs:
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20-V Tolerant USB and AC Inputs
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LDO Output Voltage Range: 1.5 V – 3.3 V
VIN Range: 2.7 V – 5.8 V
100-mA, 500-mA, 1300-mA or 1800-mA Current
Limit on USB Input
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Thermal Regulation, Safety Timers
Temperature Sense Input
200-mA Current Limit (TPS65217A, B)
400-mA Current Limit (TPS65217C, D)
Passive Discharge to Ground When
Disabled
STEP-DOWN CONVERTER (DCDC1, 2, 3)
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Three Step-Down Converter With Integrated
Switching FETs
WLED DRIVER
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DCDC1: 0.9 V – 1.8 V at 1.2 A
DCDC2: 0.9 V – 3.3 V at 1.2 A
DCDC3: 0.9 V – 1.5 V at 1.2 A
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Internally Generated PWM for Dimming
Control
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38-V Open LED Protection
Supports Two Strings of Up To 10 LEDs at
25 mA Each
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VIN Range: 2.7 V – 5.8 V
2.25-MHz Fixed Frequency Operation
Power Save Mode at Light Load Current
Output Voltage Accuracy in PWM Mode ±2.0%
100% Duty Cycle for Lowest Dropout
Typical 15-µA Quiescent per Converter
Passive Discharge to Ground When Disabled
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Internal Low-Side Current Sinks
PROTECTION
Undervoltage Lockout and Battery Fault
Comparator
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Always-On Push-Button Monitor
Hardware Reset Pin
Password Protected I2C® Registers
LDOs (LDO1, 2)
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Two Adjustable LDOs
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LDO1: 1.0 V – 3.3 V (1.8-V Default)
at 100 mA
INTERFACE
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I2C Interface (Address 0x24)
Password Protected I2C Registers
PACKAGE
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LDO2: 0.9V – 3.3 V (3.3-V Default) at 100 mA
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VIN Range: 1.8 V – 5.8 V
LDO2 Can Be Configured to Track DCDC3
Typical 15-µA Quiescent Current
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Available in 6-mm × 6-mm, 48-Pin QFN
APPLICATIONS
LOAD SWITCHES (LDO3, 4)
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AM335x ARM® Cortex™-A8 Microprocessors
Portable Navigation Systems
Tablet Computing
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Two Independent Load Switches That Can Be
Configured as LDOs
Configured as Switches:
5-V Industrial Equipment
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VIN Range: 1.8 V – 5.8 V
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
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Cortex is a trademark of ARM Ltd or its subsidiaries.
ARM is a registered trademark of ARM Ltd or its subsidiaries.
I2C is a registered trademark of Philips Semiconductors Corporation.
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
Copyright © 2011–2013, Texas Instruments Incorporated