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TPS65217B Datasheet(PDF) 1 Page - Texas Instruments |
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TPS65217B Datasheet(HTML) 1 Page - Texas Instruments |
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1 / 89 page  DIGITAL nRESET from system host / uC from system host / uC PWR_EN SYS 22m Q 1 from USB connector USB Q 2 Lin Charger & Power Path MGMT Single cell Li+ Battery 10m BAT BAT_SENSE to system load 4.7m Q 1 from USB connector AC 4.7m NTC TS TEMP SENSE VLDO1 to system VLDO2 to system 2.2m 2.2m SYS 4.7m VINDO LDO1 LDO2 SDA from system host / uC I2C SCL from system host / uC VIO VIO BIAS 10m 100n BYPASS INT_LDO WLED Driver 4.7m ISINK1 L4 FB_WLED SYS ISET1 ISINK2 ISET2 PB_IN Momentatary Push Button Always-on supply Up to 2x 10 LEDs 100k Always-on supply 100k PGOOD LDO_PGOOD to system host / uC to system host / uC MUX to system host / uC 100n MUX_OUT VBAT VSYS VICHARGE VTS from system MUX_IN nWAKEUP nINT to system host / uC to system host / uC 100k 100k VIO (always on) VIO I/O Voltage VIO (always on) VDCDC1 L1 to system 10m SYS 4.7m VIN_DCDC1 DCDC1 VDCDC2 L2 10m DCDC2 to system SYS 4.7m VIN_DCDC2 to system VDCDC3 L3 10m SYS 4.7m VIN_DCDC3 DCDC3 from 1.8V-5.8V supply to system load LS2_IN LS2_OUT from 1.8V-5.8V supply to system load LS1_IN LS1_OUT 10m 10m LOAD SW2 / LDO4 LOAD SW1/ LDO3 Product Folder Sample & Buy Technical Documents Tools & Software Support & Community TPS65217 SLVSB64G – NOVEMBER 2011 – REVISED JANUARY 2015 TPS65217x Single-Chip PMIC for Battery-Powered Systems 1 Features 2 Applications 1 • CHARGER/POWER PATH • AM335x ARM® Cortex™-A8 Microprocessors • Portable Navigation Systems – 2-A Output Current on Power Path • Tablet Computing – Linear Charger; 700-mA Maximum Charge Current • 5-V Industrial Equipment – 20-V Tolerant USB and AC Inputs 3 Description – Thermal Regulation, Safety Timers The TPS65217 is a single-chip power management – Temperature Sense Input IC specifically designed to support applications in • STEP-DOWN CONVERTER (DCDC1, 2, 3) portable and 5-V non-portable applications. It – Three Step-Down Converter With Integrated provides a linear battery charger for single-cell Li-ion and Li-Polymer batteries, dual-input power path, three Switching FETs step-down converters, four LDOs, and a high- – 2.25-MHz Fixed Frequency Operation efficiency boost converter to power two strings of up – Power Save Mode at Light Load Current to 10 LEDs each. The system can be supplied by any combination of USB port, 5-V AC adaptor, or Li-Ion – Output Voltage Accuracy in PWM Mode ±2.0% battery. The device is characterized across a -40°C to – 100% Duty Cycle for Lowest Dropout +105°C temperature range which makes it suitable – Typical 15-µA Quiescent per Converter for industrial applications. Three high-efficiency 2.25- – Passive Discharge to Ground When Disabled MHz step-down converters can providing the core voltage, memory, and I/O voltage for a system. • LDOs (LDO1, 2) – Two Adjustable LDOs Device Information(1) – LDO2 Can Be Configured to Track DCDC3 PART NUMBER PACKAGE BODY SIZE (NOM) – Typical 15-µA Quiescent Current TPS65217A • LOAD SWITCHES (LDO3, 4) TPS65217B VQFN (48) 6.00 mm x 6.00 mm – Two Independent Load Switches That Can Be TPS65217C Configured as LDOs TPS65217D • WLED DRIVER (1) For all available packages, see the orderable addendum at the end of the datasheet. – 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 An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications, intellectual property matters and other important disclaimers. PRODUCTION DATA. |
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