MP2670 – CHARGE SYSTEM PROTECTION CIRCUIT

MP2670 Rev. 0.91

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4

5/13/2010

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PIN FUNCTIONS

10-pin

QFN

Name

Description

1

VIN

Input Power Source. VIN can withstand 30V input.

2

GND,

Exposed Pad

System Ground. Exposed pad and GND pin must be connected to the same ground

plane.

3

FLT

Open-Drain Logic Output. This pin turns LOW when any protection event occurs.

4

NC

No Connect. Keep it floating.

5

NC

No Connect. Keep it floating.

6

EN

Enable. Leave this pin floating or pull it below 0.4V to enable the IC. Drive this pin

higher than 1.5V to disable the IC.

7

VB

Battery Voltage Monitoring Input. Connect this pin to the battery pack positive

terminal via an isolation resistor.

8

ILIM

Over-current Protection Threshold Setting. Connect a resistor between this pin and

GND to set the OCP threshold.

9

OUT

Output pin

10

OUT

Output pin