Adlink BattMan: Smart Battery Management Reference Design Bedienungsanleitung PDF herunterladen (Seite 13)

Page 13Express-IA533 User’s Manual Page 13Express-IA533 User’s ManualExpress-CB User’s Manual Page 13

BattMan User’s Guide Page 13

Adapter

110/220VAC

19VDC

HDD

BattMan

Smart Battery

Management

Module

COM Express Carrier

12V

5Vsb

GND

Host SMB_CLK

Host SMB_DAT

Host SMB_Alert

COM

Express

Module

with

Smart Battery

support

in BIOS

B15

B14

B13

Smart

Battery 1

VBAT1 +

VBAT1 -

Thermistor 1

Local SMB_CLK

Local SMB_DAT

Smart

Battery

VBAT1 +

VBAT1 -

Thermistor 1

Local SMB_CLK

Local SMB_DAT

3 Functional Block Diagram

The BattMan module provides 12V and 5Vsb to the COM Express Carrier Board and 12V and

5V to the Auxiliary Power connector to support a storage device.

The BattMan module communicates with the COM Express host system via the Host SMBus

interface. The BattMan module acts as a slave and the COM Express module sends

commands to the BattMan module to get information. The three SMBus signals SMB_CLK,

SMB_DAT and SMB_ALERT# correspond to pins B13, B14 and B15 on the AB connector of

the COM Express module. A Local SMBus is used for communciations between the BattMan

module and Smart Batteries.

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