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TPS61291DRVR Image

Images are for reference only.

See Product Specifications for product details.

TPS61291DRVR

IC REG BOOST PROG 0.7A SYNC 6SON

Manufacturer:
Texas Instruments, Inc.
Datasheet:
TPS61291DRVR PDF
Package/Case:
WSON-6
Product Category:
Power Management Ics
DateCode:
21+
Stock:
9000 PCS

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Product Parameter

Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Condition
New & Original - Factory Package
Order Limit
No Limit for TPS61291DRVR
Delivery Services
Global delivery By DHL/UPS/FEDEX/TNT/ARAMEX/EMS
Payment Terms
Wire Transfer or Paypal or Western Union or MoneyGram or Credit Card
Voltage Output Min Fixed
2.5V, 3V, 3.3V
Voltage Output Max
-
Voltage Input Min
0.9V
Voltage Input Max
5V
Topology
Boost
Synchronous Rectifier
Yes
Supplier Device Package
6-SON (2x2)
Series
TPS61291
Packaging
Tape & Reel (TR) Alternate Packaging
Package Case
6-WDFN Exposed Pad
Output Type
Programmable
Output Configuration
Positive
Operating Temperature
-40°C ~ 85°C (TA)
Number of Outputs
1
Mounting Type
Surface Mount
Function
Step-Up
Frequency Switching
-
Current Output
700mA (Switch)

TPS61291DRVR Product Details

Features:

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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TPS61291DRVR Associated Products

TPS56339DDCR Image TPS56339DDCR
TPS27081ADDC Image TPS27081ADDC
TPS259620DDAR Image TPS259620DDAR
TPS22990NDMLR Image TPS22990NDMLR
Manufacturer
TI
TI
TI
TI
Stock
400 PCS
20000 PCS
12500 PCS
50 PCS
Datasheet
TPS56339DDCR PDF
TPS27081ADDC PDF
TPS259620DDAR PDF
TPS22990NDMLR PDF

Customer Feedback

  • ****ge valen***** 2022-05-21

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  • ****ando s***** 2022-03-18

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