TD340D datasheet(1/21 Pages) STMICROELECTRONICS

номер детали	TD340D

подробное описание детали	H-BRIDGE QUAD POWER MOSFET DRIVER FOR DC MOTOR CONTROL

PDF	21 Pages

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производитель	STMICROELECTRONICS [STMicroelectronics]

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s QUAD N-CHANNEL MOSFET DRIVE

s INTEGRATED CHARGE PUMP FOR HIGH

SIDE MOSFET DRIVING

s VERY LOW GROUND EMI NOISE

s MOTOR SPEED AND DIRECTION CON-

TROL (LOW SIDE PWM)

s INTERNAL OR EXTERNAL PWM SOURCE

s 25kHz SWITCHING FREQUENCY ABILITY

s SYNCHRONOUS HIGH SIDE RECTIFICA-

TION

s REVERSED BATTERY ACTIVE PROTEC-

TION ABILITY

s INTEGRATED 5V POWER SUPPLY FOR

MICROCONTROLLER

s INTEGRATED SECURITY CIRCUITS:

UVLO, OVLO, WATCHDOG

s 60V MAX RATING

DESCRIPTION

The TD340 integrated circuit allows N-Channel

Power

Mosfets

driving

in

a

full

H-bridge

configuration and is best suited for DC Motor

Control Applications. The four drivers outputs are

designed to allow 25kHz MOSFET switching.

The speed and direction of the motor are to be set

by two pins. Voltage across the motor is controlled

by low side Pulse Width Modulation (PWM). This

PWM feature can be made internally when the

input pin is connected to an analog signal, or it can

be given directly from a digital source.

An internal charge pump allows proper upper

MOS driving for full static operation (100% PWM).

TD340 achieves very low EMI noise thanks to its

balanced charge pump structure and its drivers

moderate slew rate.

To avoid excessive heating due to free wheeling,

appropriate synchronous rectification is achieved

on the corresponding High Side MOSFET.

Moreover,

TD340

integrates

a

5V

voltage

regulator suitable as a power supply output for the

microcontroller, a Reset circuit and a Watchdog

circuit.

Security functions disable the TD340 (MOS off)

when abnormal conditions occur like overvoltage,

undervoltage or CPU loss of control (watchdog).

TD340 withstands transients as met in automotive

field without special protection devices thanks to

its 60V BCD technology.

ORDER CODE

D= Small Outline Package (SO) - also available in Tape & Reel (DT)

PIN CONNECTIONS (top view)

Part Number

Temperature Range

Package

D

TD340ID

-40

°C, +125°C

•

D

SO20

(Plastic Micropackage)

VBATT

VOUT

RESET

CWD

WD

STBY

TEMP

IN1

IN2

CF

GND

L1

L2

S2

H2

CB2

S1

H1

CB1

OSC

10

9

8

7

6

5

4

3

2

1

11

12

13

14

15

16

17

18

19

20

TD340

H-BRIDGE QUAD POWER MOSFET DRIVER

FOR DC MOTOR CONTROL

This is preliminary information on a new product now in development or undergoing evaluation. Details are subject to change without notice.

May 2000

PRELIMINARY DATA

Аналогичный номер детали - TD340D

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List of Unclassifed Man...	TD34063	980Kb / 9P	DC TO DC CONVERTER CONTROLLER

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TD340D датащи(PDF) 1 Page - STMicroelectronics

TD340D датащи(HTML) 1 Page - STMicroelectronics

Аналогичный номер детали - TD340D

Аналогичное описание - TD340D

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