Datasheet > TMP816

TMP816

更新时间： 2024-11-28 12:21:59

品牌	Logo	应用领域
德州仪器 - TI		驱动器风扇
页数	文件大小	规格书
12页	531K
描述
VARIABLE-SPEED SINGLE-PHASE FULL-WAVE FAN-MOTOR PRE-DRIVER

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TMP816 数据手册

TMP816

www.ti.com ........................................................................................................................................................................................................ SLVS787–MAY 2009

VARIABLE-SPEED SINGLE-PHASE FULL-WAVE FAN-MOTOR PRE-DRIVER

FEATURES

PW PACKAGE

(TOP VIEW)

•

Pre-Driver for Single-Phase Full-Wave Drive

–

PNP-NMOS is used as an external power

TR, enabling high-efficiency

low-consumption drive by means of the

low-saturation output and single-phase

full-wave drive. (PMOS-NMOS also

applicable)

OUT2P

OUT2N

V_CC

OUT1P

OUT1N

VLIM

SENSE

RMI

SGND

6VREG

ROFF

VTH

CPWM

IN+

•

External PWM Input Enables Variable-Speed

Control

IN–

–

Separately-excited upper direct PWM

(f = 25 kHz) control method, enabling highly

silent speed control

DESCRIPTION/

ORDERING INFORMATION

•

Current-Limiter Circuit

Chopper-type current limit at start

Reactive Current-Cut Circuit

The TMP816 is a single-phase bipolar variable-speed

fan-motor predriver that works with an external PWM

signal. A highly efficient, quiet and low power

consumption motor driver circuit with a large variable

speed can be implemented by adding a small number

of external components.

–

Reactive current before phase change is

cut to enable silent and low-consumption

drive

This device is optimal for driving large-scale fan

motors (with large air volume and large current) such

as those used in servers and consumer products.

•

Minimum Speed Setting Pin

–

Minimum speed can be set with external

resistor. The start assistance circuit

enables start at extremely low speed.

<br/>

•

Constant-Voltage Output Pin for Hall Bias

Lock Protection and Automatic Reset

Functions

•

Rotation Speed Detection (FG) and Lock

Detection (RD) Outputs

ORDERING INFORMATION⁽¹⁾

T_A

PACKAGE⁽²⁾

ORDERABLE PART NUMBER

TMP816PWR

TOP-SIDE MARKING

–30°C to 95°C

TSSOP – PW

Reel of 2000

TMP816

(1) For the most current package and ordering information, see the Package Option Addendum at the end of this document, or see the TI

web site at www.ti.com.

(2) Package drawings, thermal data, and symbolization are available at www.ti.com/packaging.

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas

Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

PRODUCTION DATA information is current as of publication date.

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.

12 3 4 5 6 7...12

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与TMP816相关器件

型号	品牌	获取价格	描述	数据表
TMP821	TI	获取价格	TWO-PHASE HALF-WAVE MOTOR PREDRIVER
TMP821DR	TI	获取价格	30-V max sensored half-wave single-phase BLDC gate driver 8-SOIC -40 to 100
TMP821DRG4	TI	获取价格	TWO-PHASE HALF-WAVE MOTOR PREDRIVER
TMP8237AP	ETC	获取价格	DMA Controller
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TMP8251AP	TOSHIBA	获取价格	ROGRAMMABL COMMUNICATION INTERFACE
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TMP8253P-5	TOSHIBA	获取价格	PROGRAMMABLE INTERVAL TIMER

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