PMP9792

Multi-Rail, Low Iq Power Reference Design for Wearable Applications

PMP9792

Design files

Overview

Wearable applications like smart wristbands provide two main power rails to supply the wireless MCU, sensors, and the display. They are very tiny, and therefore require the smallest solution size possible. This reference design shows a full solution based on the TPS62770 multi-rail DC/DC converter, CC2650 wireless MCU, and a PMOLED display.

Features
  • Full adjustable Vout with TPS62770 dual output converter
  • Single-chip wearable power supply
  • Longer battery life due to ultra-low Iq
  • Bluetooth® Smart interface for smartphone interaction
Output voltage options PMP9792.1 PMP9792.2
Vin (Min) (V) 2.5 2.5
Vin (Max) (V) 5.5 5.5
Vout (Nom) (V) 1.8 12
Iout (Max) (A) .3 .2
Output Power (W) .54 2.4
Isolated/Non-Isolated Isolated Isolated
Input Type DC DC
Topology Buck- Synchronous Boost- Synchronous
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A fully assembled board has been developed for testing and performance validation only, and is not available for sale.

Design files & products

Design files

Download ready-to-use system files to speed your design process.

TIDUBN9.PDF (1717 K)

Test results for the reference design, including efficiency graphs, test prerequisites and more

TIDRLE3.PDF (187 K)

Detailed schematic diagram for design layout and components

TIDRLE4.PDF (28 K)

Complete listing of design components, reference designators, and manufacturers/part numbers

TIDCC33.ZIP (399 K)

Design file that contains information on physical board layer of design PCB

Products

Includes TI products in the design and potential alternatives.

AC/DC & DC/DC converters (integrated FET)

TPS62770Tiny Single-chip Dual Solution with 360nA Iq Buck and up to 15V Boost in WCSP

Data sheet: PDF | HTML
Low-power 2.4-GHz products

CC2650SimpleLink™ 32-bit Arm Cortex-M3 multiprotocol 2.4 GHz wireless MCU with 128kB Flash

Data sheet: PDF | HTML

Technical documentation

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Type Title Date
Test report Multi Rail Low Iq Power for Wearable Applications Design Guide Mar. 30, 2016

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