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Product details

Parameters

Regulated outputs (#) 4 Vin (Min) (V) 0.8 Vin (Max) (V) 6 Iout (Max) (A) 0.4 Step-down DC/DC controller 0 Step-down DC/DC converter 2 Step-up DC/DC controller 0 Step-up DC/DC converter 0 LDO 2 Iq (Typ) (mA) 0.140 Features Power Good, Power Sequencing Operating temperature range (C) -40 to 85 Rating Catalog Shutdown current (Typ) (uA) 6 Configurability Factory programmable open-in-new Find other Multi-channel ICs (PMIC)

Package | Pins | Size

DSBGA (YZH) 16 5 mm² 2.076 x 2.076 open-in-new Find other Multi-channel ICs (PMIC)

Features

  • Two 400-mA Step-Down Converters
  • Up to 95% Efficiency
  • VIN Range for DC-DC Converters From
    3.6 V to 6 V
  • 2.25-MHz Fixed-Frequency Operation
  • Power Save Mode at Light Load Current
  • Output Voltage Accuracy in PWM mode ±1.5%
  • 100% Duty Cycle for Lowest Dropout
  • 180° Out-of-Phase Operation
  • 2 General Purpose 200-mA LDOs
  • LDOs Optionally Powered From Step-Down
    Converters
  • 7.5-mA PWM Dimmable Current Sink
  • Available in a 16-Ball DSBGA (WCSP) With
    0.5-mm Pitch
  • Device Options:
    • VDCDC1 = 3.3 V
    • VDCDC2 = 1.8 V
    • VLDO1 = 2.8 V
    • VLDO2 = 1.2 V
    • ISINK(PWM=1) = 7.5 mA
    • SEQUENCING : DCDC1, LDO1, DCDC2,
      LDO2
  • APPLICATIONS
    • Monitors
    • Laptops
    • Handheld Equipment

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Description

The TPS65708 device is a power management unit targeted for embedded camera modules or other portable low-power consumer end equipment. The device contains two high-efficiency step-down converters, two low-dropout linear regulators, and a 7.5-mA current sink for driving a LED. The 2.25-MHz step-down converter enters a low-power mode at light load for maximum efficiency across the widest possible range of load currents. For low-noise applications, the devices can be forced into fixed-frequency PWM mode using the MODE pin. The device allows the use of small inductors and capacitors to achieve a small solution size. The TPS65708 device provides an output current of up to 400 mA on both DC-DC converters and up to 200 mA on each of the LDOs. The enable signal to the DC-DC converters and LDOs is generated internally by the undervoltage lockout circuit.

The TPS65708 comes in a small 16-pin wafer chip-scale package (WCSP) with 0.5-mm ball pitch.

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Technical documentation

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Type Title Date
* Datasheet TPS65708 PMU for Embedded Camera Module datasheet (Rev. B) Sep. 23, 2015
Application note LDO Noise Demystified (Rev. B) Aug. 18, 2020
Application note LDO PSRR Measurement Simplified (Rev. A) Aug. 09, 2017
User guide TPS65708EVM User Guide Oct. 22, 2010

Design & development

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CAD/CAE symbols

Package Pins Download
DSBGA (YZH) 16 View options

Ordering & quality

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  • Qualification summary
  • Ongoing reliability monitoring

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