Datasheet > Q67000-H8743

Q67000-H8743

更新时间： 2024-09-08 22:44:11

品牌	Logo	应用领域
英飞凌 - INFINEON		驱动
页数	文件大小	规格书
14页	412K
描述
Quad Driver Incl. Short-Circuit Signaling

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Q67000-H8743 数据手册

FZL 4146

Quad Driver Incl. Short-Circuit Signaling

Bipolar IC

Features

● Short-circuit signaling

● Four driver circuits for driving power transistors

● Turn-ON threshold setting from 1.5 to 7 V

P-DSO-20-7

Package

Type

Ordering Code

FZL 4146 G

Q67000-H8743

P-DSO-20-7 (SMD)

General Description

The IC comprises four driver circuits capable of driving power transistors (PNP or

PMOS). The output transistors are protected against short-circuit to ground and supply

voltage. The turn-ON threshold can be set from 1.5 V to 7 V. Overload at one or several

outputs will be indicated at pin SQ (signaling output). The corresponding power

transistors are then protected by changeover to clock-governed operation.

Circuit Description

Each driver circuit has one active high driver input Dl and a common enable input ENA

(active high) is provided for all stages. The Q output is designed to drive the output

transistors. The load current is sampled and, if necessary, limited via pin W. If the load

current exceeds the preset value, the output stage switches off. Switching-ON again is

provided by the built-in clock generator T. Its operation requires an external capacitor C_e

at pin CE. If C_eis bridged by a break-key, switching-ON can only be carried out by

operating this key. The duty cycle of the clock generator is 1:47 (e.g. 45 µs/2.1 ms with

C_e= 10 nF). The clock generator is privileged versus the current sensor shut down.

When the supply is connected, the internal RS-FF goes into the state corresponding to

the released output.

Semiconductor Group

03.96

12 3 4 5 6 7...14

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