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Power Management IC (PMIC) w/ 3 DC/DCs, 4 LDOs, linear battery charger & white LED driver

Power Management IC (PMIC) w/ 3 DC/DCs, 4 LDOs, linear battery charger & white LED driver

    SG$ 1.27 SG$ 1.27 1.2727000000000002 SGD

    US$ 1.00

    SG$ 59.33

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    Lead Time : 1.0 weeks

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    Power Management IC (PMIC) w/ 3 DC/DCs, 4 LDOs, linear battery charger & white LED driver

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    Description for the TPS65217

    The TPS65217x is asingle-chip power management IC (PMIC) specifically designed to power the AM335xARM®Cortex®-A8 processor in portable and 5-Vline-powered applications. The PMIC device provides a linear battery charger for single-cell Li-ionand Li-polymer batteries, dual-input power path, three step-down converters, four low-dropout (LDO)regulators, and a high-efficiency boost converter to power two strings of up to 10 LEDs each. Thesystem can be supplied by any combination of USB port, 5-V AC adaptor, or Li-Ion battery. Thedevice is characterized across a –40°C to +105°C temperature range which makes it suitable forindustrial applications. Three high-efficiency 2.25-MHz step-down converters can providing the corevoltage, memory, and I/O voltage for a system. The TPS65217x device comes in a 48-pin leadless package (6-mm × 6-mm VQFN)with a 0.4-mm pitch.


    Features for the TPS65217

    • Charger and Power Path
      • 2-A Output Current on Power Path
      • Linear Charger; 700-mA Maximum Charge Current
      • 20-VTolerant USB and AC Inputs
      • Thermal Regulation, SafetyTimers
      • Temperature Sense Input
    • Step-Down Converter (DCDC1, DCDC2, DCDC3)
      • Three Step-Down Converter With Integrated SwitchingFETs
      • 2.25-MHz Fixed Frequency Operation
      • Power-Save Modeat Light-Load Current
      • Output Voltage Accuracy in PWM Mode±2%
      • 100% Duty Cycle for Lowest Dropout
      • Typical 15-µAQuiescent per Converter
      • Passive Discharge to Ground When Disabled
    • LDO Regulators (LDO1, LDO2)
      • Two Adjustable LDOs
      • LDO2 can be Configured to TrackDCDC3
      • 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-VOpen-LED Protection
      • Supports Two Strings of up to 10 LEDs at 25 mAEach
      • Internal Low-Side Current Sinks
    • Protection
      • Undervoltage Lockout and Battery Fault Comparator
      • Always-On Push-Button Monitor
      • Hardware Reset Pin
      • PasswordProtected I2C Registers
    • Interface
      • I2C Interface (Address 0x24)
      • Password-Protected I2C Registers
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