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L6377

0.5 A high-side driver quad intelligent power switch

STMicroelectronics 

L6377

0.5 A high-side driver quad intelligent power switch

Features

■ Multipower BCD technology

■ 0.5 A output current

■ 8 to 35 V supply voltage range

■ Externally programmable current limit

■ Non-dissipative over-current protection

■ Thermal shutdown

■ Under voltage lockout with hysteresys

■ Diagnostic output for under voltage, over

temperature and over current

■ External asynchronous reset input

■ Presettable delay for overcurrent diagnostic

■ Open ground protection

■ Protection against surge transient

(IEC 61000-4-5)

■ Immunity against burst transient

(IEC 61000-4-4)

SO-14

Description

This device is a monolithic intelligent power switch

in multipower BCD technology for driving

inductive, capacitive or resistive loads.

Diagnostic for CPU feedback and extensive use of

electrical protections make this device inherently

indistructible and suitable for general purpose

industrial applications.

Table 1. Device summary

Order codes

Package

L6377D

SO-14

L6377D013TR

SO-14

Packaging

Tube

Tape and reel

Figure 1. Block diagram

VS

CHARGE

PUMP

IN+

+

-

1.3V

DRIVER

VS

RS

CURRENT

OVC

LIMIT

UV

GND

OUT

R

DIAG

+

1.3V -

SHORT CIRCUIT

CONTROL

OVT

UV

RSC

DELAY

ON DELAY

C DON

D94IN075D

March 2008

Rev 4

1/16

www.st.com

16

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