LM3621 datasheet(2/14 Pages) NSC

No. de pieza	LM3621

Descripción Electrónicos	Single Cell Lithium-Ion Battery Charger Controller

PDF	14 Pages

Scroll/Zoom	100%

Fabricante Electrónico	NSC [National Semiconductor (TI)]

Página de inicio	http://www.national.com

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2 / 14 page

Connection Diagram

Pin Description

Pin No.

Symbol

I/O

Description

BAT+

Battery pack high side sense input.

BAT−

Battery pack low side sense input.

CSR

Current Sense Resistor high side input.

PFD

Pass FET gate Drive output. (N-channel).

COMP

Compensation pin for current regulation loop.

MCO

Modulation Control Output- analog control signal output

COMP

Compensation pin for voltage regulation loop.

SET

Charge current adjust input pin (see application section).

SET

Charge termination voltage control input (V

SET = HI for 4.2V or

SET

= LO for 4.1V).

LED1

LED driver #1 output (open drain).

LED2

LED driver #2 output (open drain).

ChgInt

Charge current interrupt (active LO).

Enable

Enable charge cycle control.

Boost

Maximum output current boost control (max output current

increased by 80%).

IC common.

IC power supply.

16-Lead SOIC

DS100107-18

Top View

Order Number LM3621M or LM3621M-3.0

NSC Package Number M16A

LM3621 Datasheet(PDF) 2 Page - National Semiconductor (TI)

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