Datasheet > Q67000-H8437

Q67000-H8437

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
10页	111K
描述
Quad Driver Incl. Short-Circuit Signaling

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Q67000-H8437 数据手册

FZL 4145 D

Quad Driver Incl. Short-Circuit Signaling

Bipolar IC

Features

● Short-circuit shutdown with clock generator

● Four driver circuits for controlling

power transistors

● Overload and short-circuit signaling

P-DIP-18-1

Type

Ordering Code

Package

FZL 4145 D

Q67000-H8437

P-DIP-18-1

General Description

The IC comprises four driver circuits capable of driving power transistors for high output

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

voltage. The input threshold can be adjusted between 1.5 V and 7 V. Overload or short-

circuit failure at an output will be indicated at pin SQ (signaling output).

Functional 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) outputs are designed to drive the output

transistors. The load current is sampled 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. Its operation requires an external capacitor C_Tat pin C. If C_Tis bridged by a

break-key, switching on can only be carried out by operating a key. The duty cycle of the

clock generator is 1:50 (e.g. 40 µs/2 ms with C_T= 33 nF).

In case of overcurrent or short-circuit failure at any output stage the signaling output

(SQ) will go low. In clock-governed operation (i.e. when there is automatic switching on

by the clock and not by a key), SQ goes high and low at the clock rate as long as a short-

circuit or overload exists. SQ is an open-collector output.

Unused W pins must be connected to V_s. Open W pins would simulate a short-circuit and

activate the signaling output.

Semiconductor Group

09.94

12 3 4 5 6 7...10

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