IQ Step Down Converter Electronic components BOM Integrated circuit IC TPS62801YKAR

Product Descriptions

The TPS6280x device family is a step-down converter with 2.3µA typical quiescent current featuring the highest efficiency and smallest design size. TI's DCS-Control topology enables the device to operate with tiny inductors and capacitors with a switching frequency up to 4MHz. At light load conditions, the device seamlessly enters power save mode to reduce switching cycles and maintain high efficiency.

Connecting the VSEL/MODE pin to GND selects a fixed output voltage. With only one external resistor connected to VSEL/MODE pin, 16 internally set output voltages can be selected. An integrated R2D (resistor-to-digital) converter reads out the external resistor and sets the output voltage. The same device part number can be used for different applications and voltage rails just by changing a single resistor. Furthermore, the internally set output voltage provides better accuracy compared to a traditional external resistor divider network. After the device has started up, the DC/DC converter enters forced PWM mode by applying a high level at the VSEL/MODE pin. In this operating mode, the device runs at a typical 4MHz or 1.5MHz switching frequency, enabling lowest output voltage ripple and highest efficiency. The TPS6280x device series comes in a tiny 6-pin WCSP package with 0.35mm pitch.

Product Features

• 1.75V to 5.5V input voltage range

• 2.3µA operating quiescent current

• Up to 4MHz switching frequency

• 0.6A or 1A output current

• 1 PERCENT output voltage accuracy

• Selectable power save and forced PWM mode

• R2D converter for flexible VOUT setting

• 16 selectable and one fixed output voltages

– TPS62800 (4MHz): 0.4V to 0.775V

– TPS62801 (4MHz): 0.8V to 1.55V

– TPS62802 (4MHz): 1.8V to 3.3V

– TPS62806 (1.5MHz): 0.4V to 0.775V

– TPS62807 (1.5MHz): 0.8V to 1.55V

– TPS62808 (1.5MHz): 1.8V to 3.3V

• Smart enable pin

• Optimized pinout to support 0201 components

• DCS-Control topology

• Output discharge

• 100 PERCENT duty cycle operation

• Tiny 6-pin, 0.35mm pitch WCSP package

• Supports < 0.6mm design height

• Supports < 5mm2 design size

• Create a custom design using the:

– TPS62800 WEBENCH® Power Designer

– TPS62801 WEBENCH® Power Designer

– TPS62802 WEBENCH® Power Designer

– TPS62806 WEBENCH® Power Designer

– TPS62807 WEBENCH® Power Designer

– TPS62808 WEBENCH® Power Designer

Product Applications

• Wearable electronics, IoT applications

• 2× AA battery-powered applications

• Smartphones

Specifications

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