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What is FZL4146?

This electronic component, produced by the manufacturer "Siemens Semiconductor Group", performs the same function as "Quad Driver Incl. Short-Circuit Signaling".


FZL4146 Datasheet PDF - Siemens Semiconductor Group

Part Number FZL4146
Description Quad Driver Incl. Short-Circuit Signaling
Manufacturers Siemens Semiconductor Group 
Logo Siemens Semiconductor Group Logo 


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Quad Driver Incl. Short-Circuit Signaling
Bipolar IC
Features
q Short-circuit signaling
q Four driver circuits for driving power transistors
q Turn-ON threshold setting from 1.5 to 7 V
FZL 4146
P-DSO-20-7
Type
FZL 4146 G
Ordering Code
Q67000-H8743
Package
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 Ce
at pin CE. If Ce is 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
Ce = 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
1
03.96

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FZL4146 equivalent
FZL 4146
Block Diagram
Semiconductor Group
5


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Part Details

On this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for FZL4146 electronic component.


Information Total 14 Pages
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