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FZL4146G Datasheet

  • FZL4146G

  • Quad Driver Incl. Short-Circuit Signaling

  • 14頁

  • INFINEON   INFINEON

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Quad Driver Incl. Short-Circuit Signaling
FZL 4146
Bipolar IC
Features
q
q
q
Short-circuit signaling
Four driver circuits for driving power transistors
Turn-ON threshold setting from 1.5 to 7 V
P-DSO-20-7
Type
FZL 4146 G
General Description
Ordering Code
Q67000-H8743
Package
P-DSO-20-7 (SMD)
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
e
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
碌s/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
1
03.96

FZL4146G 產(chǎn)品屬性

  • 表面貼裝

  • 7.6mm

  • DSO

  • 12.8 x 7.6 x 2.45mm

  • 20

  • -40 °C

  • +150 °C

  • 12.8mm

  • 2.45mm

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