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TPS65217BRSL Datasheet(PDF) 1 Page - Texas Instruments |
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TPS65217BRSL Datasheet(HTML) 1 Page - Texas Instruments |
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1 / 86 page  TPS65217A, TPS65217B, TPS65217C www.ti.com SLVSB64E – NOVEMBER 2011 – REVISED JULY 2012 SINGLE-CHIP PMIC FOR BATTERY-POWERED SYSTEMS Check for Samples: TPS65217A, TPS65217B, TPS65217C 1 FEATURES 234 CHARGER/POWER PATH – Switch Impedance 300 m Ω (Typical) – 200-mA Current Limit • 2-A Output Current on Power Path – Passive Discharge to Ground When • Linear Charger; 700-mA Maximum Charge Disabled Current • Configured as LDOs: • 20-V Tolerant USB and AC Inputs – LDO Output Voltage Range: 1.5 V – 3.3 V • 100-mA, 500-mA, 1300-mA or 1800-mA Current Limit on USB Input – VIN Range: 2.7 V – 5.8 V • Thermal Regulation, Safety Timers – 200-mA Current Limit (TPS65217A, B) • Temperature Sense Input – 400-mA Current Limit (TPS65217C) – Passive Discharge to Ground When STEP-DOWN CONVERTER (DCDC1, 2, 3) Disabled • Three Step-Down Converter With Integrated Switching FETs WLED DRIVER – DCDC1: 0.9 V – 1.8 V at 1.2 A • Internally Generated PWM for Dimming Control – DCDC2: 0.9 V – 3.3 V at 1.2 A • 38-V Open LED Protection – DCDC3: 0.9 V – 1.5 V at 1.2 A • Supports Two Strings of Up To 10 LEDs at • VIN Range: 2.7 V – 5.8 V 25 mA Each • 2.25-MHz Fixed Frequency Operation • Internal Low-Side Current Sinks • Power Save Mode at Light Load Current • Output Voltage Accuracy in PWM Mode ±2.0% PROTECTION • 100% Duty Cycle for Lowest Dropout • Undervoltage Lockout and Battery Fault • Typical 15-µA Quiescent per Converter Comparator • Passive Discharge to Ground When Disabled • Always-On Push-Button Monitor • Hardware Reset Pin LDOs (LDO1, 2) • Password Protected I2C® Registers • Two Adjustable LDOs – LDO1: 1.0 V – 3.3 V (1.8-V Default) INTERFACE at 100 mA • I2C Interface (Address 0x24) – LDO2: 0.9V – 3.3 V (3.3-V Default) at 100 mA • Password Protected I2C Registers • VIN Range: 1.8 V – 5.8 V PACKAGE • LDO2 Can Be Configured to Track DCDC3 • Available in 6-mm × 6-mm, 48-Pin QFN • Typical 15-µA Quiescent Current APPLICATIONS LOAD SWITCHES (LDO3, 4) • AM335x ARM® Cortex™-A8 Microprocessors • Two Independent Load Switches That Can Be • Portable Navigation Systems Configured as LDOs • Tablet Computing • Configured as Switches: • 5-V Industrial Equipment – VIN Range: 1.8 V – 5.8 V 1 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. 2 Cortex is a trademark of ARM Ltd or its subsidiaries. 3 ARM is a registered trademark of ARM Ltd or its subsidiaries. 4 I2C is a registered trademark of Philips Semiconductors Corporation. PRODUCTION DATA information is current as of publication date. Copyright © 2011–2012, Texas Instruments Incorporated Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. |
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