Datasheet > G764

G764

更新时间： 2022-02-26 14:38:18

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描述
Fan Speed Controller with Linear or PWM Mode

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G764 数据手册

G764/G765

Global Mixed-mode Technology

Fan Speed Controller with Linear or PWM Mode

Features

General Description

SMBus Interface

The G764/G765 is a single chip solution for fan

speed control. It can be directly connected to the

fan and performs close-loop or open-loop control.

And there are two modes, PWM and linear, to drive

the fan. It determined the current fan speed based

on the fan rotation pulses and an externally sup-

plied clock. The desired fan speed is programmed

via the SMBus. The actual fan speed and fan status

can be read via the SMBus. Short-circuit protection

is implemented to prevent damages to the fan and

the IC itself.

Linear or PWM Mode Speed Control

Open or Close Loop Fan Speed Control

Supply Voltage Range 3V~5.5V

ADD0 Pin to Select 3 Different SMBus Addresses

SMBus Alert # for G765

G765 has Built-in Inverter for Crystal Oscilla-

tor

Internal 32kHz clock generator, +/- 3% accuracy

SOP-8/MSOP-8 for G764

MSOP-10 for G765

Applications

Ordering Information

Notebook PC

Industrial PC

LAN Switch

Servers

Telecom equipment

Industrial Control

ORDER

NUMBER

G764P11U

G764P81U

G765P71U

TEMP.

RANGE

PACKAGE

(Green)

SOP-8

MARKING

G764

G765

-55°C to +125°C

MSOP-8

-55°C to +125°C MSOP-10

P7:MSOP-10

Note: P1: SOP-8

P8: MSOP-8

1: Bonding Code

U: Tape & Reel

Pin Configuration

G764

G765

VCC

SDA

SCL

CLK

10 VCC

FOUT

SDA

SCL

ADD0

ALERT#

ADD0

GND

CLK

GND

SOP-8/MSOP-8

MSOP-10

TEL: 886-3-5788833

http://www.gmt.com.tw

Ver: 0.4

Nov 07, 2011

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