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TPS61291DRVR

IC REG BOOST PROG 0.7A SYNC 6SON

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See Product Specifications for product details.

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TPS61291DRVR

IC REG BOOST PROG 0.7A SYNC 6SON

Orders over $200 are eligible for a limited edition Chinese-style gift.

Orders over $200 are eligible for a limited edition Chinese-style gift.

Orders over $1000 qualify for a $30 shipping fee waiver.

Orders surpassing $5000 enjoy waived shipping and transaction fees.

These offers are applicable to both new and existing customers and are valid from January 1st, 2024, to December 31st, 2024.

  • Manufacturer:

    TI

  • Datasheet:

    TPS61291DRVR datasheet

  • Package/Case:

    WSON-6

  • Product Category:

    Power Management Ics

  • RoHS Status: RoHS Status Lead free/RoHS Compliant

Submit your quote request now, and we expect to provide a quote within July 26, 2024. Place your order now, and we expect to complete the transaction within July 30, 2024. Ps:Time is according to GMT+8:00.

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Stock:9000 PCS

Our commitment is to deliver prompt quotations within 12 hours. For further assistance, please contact us at [email protected].

TPS61291DRVR Product Details

1 Features

• Input Voltage Range 0.9V to 5V

• Startup Voltage 1.5V at 20mA Load

• Pin Selectable Output Voltages: 3.3V, 3V, 2.5V

• 15nA typical Quiescent Current in Bypass Mode

• 5.7μA typical Quiescent Current in Boost Mode

• Bypass Switch from VIN to VOUT

• IOUT > 200mA at 3.3V VOUT, VIN = 1.8V

• Internal Feedback Divider Disconnect (Bypass Mode)

• Controlled Bypass Transition Prevents Reverse Current into Battery

• Power-Save Mode at Light Loads

• Overtemperature Protection

• Redundant Overvoltage Protection

• Small 2mm x 2mm SON 6-pin package


2 Applications

• Metering (Gas, Water, Smart Meters)

• Remote Controls

• Home Security / Home Automation

• Single 3V Li-MnO2 or 2 x 1.5V Alkaline Cell Powered Applications


3 Description

The TPS61291 is a boost converter with pin selectable output voltages and an integrated bypass mode. In bypass operation, the device provides a direct path from the input to the system and allows a low power micro controller (MCU) such as the MSP430 to operate directly from a single 3V Li-MnO2 battery or dual alkaline battery cells.


In bypass mode the integrated feedback divider network for boost mode operation is disconnected from the output and the quiescent current consumption drops down to only 15nA (typical).


In boost mode the device provides a minimum output current of 200mA at 3.3V VOUT from 1.8V VIN. The boost mode is used for system components which require a regulated supply voltage and cannot directly operate from the input source. The boost converter is based on a current-mode controller using synchronous rectification to obtain maximum efficiency and consumes typically 5.7uA from the output. During startup of the boost converter, theVSEL pin is read out and the integrated feedback network sets the output voltage to 2.5V, 3V or 3.3V.


Bypass mode or boost mode operation is controlled by the system via the EN/BYP pin. The device integrates an enhanced bypass mode

control to prevent charge, stored in the output capacitor during boost mode operation, from flowing back to the input and charging the battery.


The device is packaged in a small 6-pin SON package (DRV) measuring 2.0mm × 2.0mm x 0.75mm.

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