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TPIC46L03DBRG4 Fiches technique(PDF) 4 Page - Texas Instruments

No de pièce TPIC46L03DBRG4
Description  6-CHANNEL SERIAL AND PARALLEL LOW-SIDE PRE-FET DRIVER
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Fabricant  TI1 [Texas Instruments]
Site Internet  http://www.ti.com
Logo TI1 - Texas Instruments

TPIC46L03DBRG4 Fiches technique(HTML) 4 Page - Texas Instruments

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TPIC46L01, TPIC46L02, TPIC46L03
6CHANNEL SERIAL AND PARALLEL LOW SIDE PREFET DRIVER
SLIS055B − NOVEMBER 1996 − REVISED AUGUST 2001
4
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
Terminal Functions
TERMINAL
I/O
DESCRIPTION
NAME
NO.
I/O
DESCRIPTION
CS
10
I
Chip select. A high-to-low transition on the CS enables SDO, latches fault data into the serial interface, and
refreshes the fault flag. When CS is high, the fault registers can change fault status. On the falling edge of CS, fault
data is latched into the serial output register and transferred using SDO and SCLK. On a low-to-high transition of
CS, serial data is latched in to the output control register.
DRAIN0
DRAIN1
DRAIN2
DRAIN3
DRAIN4
DRAIN5
26
24
23
20
19
17
I
FET drain inputs. DRAIN0 through DRAIN5 are used for both open-load and short-circuit fault detection at the drain
of the external FETs. They are also used for inductive transient protection.
FLT
1
O
Fault flag. FLT is an open-drain output that provides a real-time fault flag for shorted-load/open-load/over-battery
voltage/under-battery voltage faults. The device can be ORed with FLT on other devices for interrupt handling. FLT
requires an external pullup resistor.
GATE0
GATE1
GATE2
GATE3
GATE4
GATE5
27
25
22
21
18
16
O
Gate drive output. GATE0 through GATE5 outputs are derived from the VBAT supply. Internal clamps prevent the
voltages on these nodes from exceeding the VGS rating on most FETs.
GND
15
I
Ground and substrate
IN0
IN1
IN2
IN3
IN4
IN5
4
5
6
7
8
9
I
Parallel gate driver inputs. IN0 through IN5 are real-time controls for the gate predrive circuitry. They are CMOS
compatible with hysteresis.
SCLK
13
I
Serial clock. SCLK clocks the shift register. Serial data is clocked into SDI and serial fault data is clocked out of
SDO on the falling edge of the serial clock.
SDI
12
I
Serial data input. Output control data is clocked into the serial register through SDI. A 1 on SDI commands a
particular gate output on and a 0 turns it off.
SDO
11
O
Serial data output. SDO is a 3-state output that transfers fault data to the controlling device. It also passes serial
input data to the next stage for cascaded operation. SDO is taken to a high-impedance state when CS is in a high
state.
VBAT
28
I
Battery supply voltage input
VCC
14
I
Logic supply voltage
VCOMPEN
2
I
Fault reference voltage select. VCOMPEN selects the internally generated fault reference voltage (0) or an
external fault reference (1) to be used in the shorted- and open-load fault detection circuitry.
VCOMP
3
I
Fault reference voltage. VCOMP provides an external fault reference voltage for the shorted- and open-load fault
detection circuitry.


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Texas Instruments
TPIC46L03DB TI-TPIC46L03DB Datasheet
255Kb / 19P
[Old version datasheet]   6-CHANNEL SERIAL AND PARALLEL LOW-SIDE PRE-FET DRIVER
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