UM1481 datasheet(41/55 Pages) STMICROELECTRONICS

Part #	UM1481

Description	This document describes an easy and compact solution

PDF	55 Pages

Scroll/Zoom	100%

Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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41 / 55 page

UM1481

Connectors and jumpers

Doc ID 022389 Rev 1

41/55

8.13

Terminal block J13

Note:

The load is connected to the battery via a MOSFET. Once battery voltage falls below 3.15 V,

the MOSFET disconnects load from the battery. This prevents the battery from going into

deep discharge.

8.14

Charger selection switch: SW8

This switch is used to select between an internal (onboard) charger and an external charger.

Indication is printed on the board.

8.15

External power supply selection switch: SW7

This switch is used to select between the USB and Wall adapter. Indication is printed on the

board.

8.16

uSD connector: J8

The provision of an external uSD card to store various battery parameters in the future has

been made.

Table 20.

Terminal block J13 details

Description

Load+

External load positive terminal

Load-

External load negative terminal

UM1481 Datasheet(PDF) 41 Page - STMicroelectronics