See datasheet for actual packaging/pinout drawings

Packaging

Package | PIN:

YFP | 16

Temp:

I (-40 to 85)

ECO Plan:

Green (RoHS & no Sb/Br)

TPS62770YFPT


Tiny Single-chip Dual Solution with 360nA Iq Buck and up to 15V Boost in WCSP

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Qty.Price
1 - 9 $ 1.71
10 - 24 $ 1.54
25 - 99 $ 1.43
100 - 249 $ 1.25
250 - 499 $ 1.18
500 - 749 $ 1.00
750 - 999 $ 0.84
1000 - 9999 $ 0.81

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Texas Instruments TPS62770YFPT

The TPS62770 is a tiny power solution for wearable applications including a 370nA ultra low Iq step-down converter, a slew rate controlled load switch and a dual mode step-up converter. The output voltage of the step-down converter can be selected with three VSEL pins between 1.0 V, 1.05 V, 1.1 V, 1.2 V, 1.8 V, 1.9 V, 2.0 V and 3.0 V. The output voltage can be changed during operation. In shutdown mode, the output of the step-down converter is pulled to GND. The integrated load switch is internally connected to the output of the step-down converter and features slew rate control during turn on phase. Once turned off, its output is connected to GND.

The dual mode step-up converter can generate a constant output voltage up to 15 V, such as PMOLED supply; or, a constant output current, such as LED back light supply. The output voltage can be adjusted up to 15 V with external resistors, or set to fixed 12 V by connecting the FB pin to VIN. The device features an internal over voltage protection of 17.7 V in case the FB node is left open or tight to GND. It includes an internal rectifier and load disconnect function. When used as constant output current driver, the device offers a PWM to analog converter to scale down the reference voltage according to the duty cycle of the PWM signal.

The device is available in a small 16pin 0.4mm pitch WCSP package.

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