Dialog Semiconductor DA9231 Benutzerhandbuch - Seite 6

Blättern Sie online oder laden Sie pdf Benutzerhandbuch für Controller Dialog Semiconductor DA9231 herunter. Dialog Semiconductor DA9231 18 Seiten. Fuel gauge development kit

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UM-PM-039

DA9070 / DA9231 Fuel Gauge Development Kit

NDA Confidential

System Diagram

Figure 2

shows the DA9070 fuel gauge EVK system diagram. The whole system includes the

following major portions:

-DA9070: Dialog nano-power battery charge management PMIC with Fuel Gauge

-DA9231: Dialog nano-power PMIC

-STM32L151 MCU: For implementing fuel gauge SOC algorithm

-FDTI: Communication interface-bridge between USB and UART, SPI ports

-JTAG: Communication port for STM32L151 MCU firmware update

-LTC2941: Reference Coulomb-count based fuel gauge IC

-Battery V&I Monitor: Circuitry to monitor battery voltage & current in real-time. For battery profiling

-System Load Model: A set of on-board resistors with ON/OFF control issued by MCU to mimic

various load patterns in real applications

-PC GUI: Software on PC. For chip evaluation. Both registers of DA9070 and DA9231 can be read or

written through GUI

-PC PPM: Software on PC. For battery profiling and fuel gauge performance test

-BAT: Single lithium-poly battery. Support up to 500mAh

Figure 2: DA9070 Fuel Gauge EVK System Diagram

User Manual

Revision 2.1

28-Oct-2018

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