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L6474PD View Datasheet(PDF) - STMicroelectronics

Part Name
Description
MFG CO.
L6474PD
ST-Microelectronics
STMicroelectronics ST-Microelectronics
'L6474PD' PDF : 53 Pages View PDF
Pin connection
L6474
Pin list
Number
POWERSO HTSSOP
24
17
9
6
10
7
11
8
13
10
14
11
8
5
4, 5
2
33, 34
26
15, 16
12
22, 23
16
1
27
19
13
2, 3
1
35, 36
28
17, 18
14
20, 21
15
12
9
7
4
28
21
29
22
25
18
27
20
26
19
30
23
Name
VDD
VREG
OSCIN
OSCOUT
CP
VBOOT
ADCIN
VSA
VSB
PGND
OUT1A
OUT2A
OUT1B
OUT2B
AGND
DIR
DGND
SYNC
SDO
SDI
CK
CS
Table 6. Pin description
Type
Function
Power
Power
Analog input
Analog output
Output
Supply voltage
Analog input
Logic outputs supply voltage (pull-up reference)
Internal 3 V voltage regulator output and 3.3 V
external logic supply
Oscillator pin 1. To connect an external oscillator or
clock source. If this pin is unused, it should be left
floating.
Oscillator pin 2. To connect an external oscillator.
When the internal oscillator is used this pin can supply
2/4/8/16 MHz. If this pin is unused, it should be left
floating.
Charge pump oscillator output
Bootstrap voltage needed for driving the high-side
power DMOS of both bridges (A and B)
Internal analog to digital converter input
Power supply
Full bridge A power supply pin. It must be connected
to VSB
Power supply
Full bridge B power supply pin. It must be connected
to VSA
Ground
Power ground pin
Power output Full bridge A output 1
Power output Full bridge A output 2
Power output Full bridge B output 1
Power output Full bridge B output 2
Ground
Analog ground
Logical input Direction input
Ground
Digital ground
Open drain output Synchronization signal.
Logic output Data output pin for serial interface
Logic input Data input pin for serial interface
Logic input Serial interface clock
Logic input Chip select input pin for serial interface
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DocID022529 Rev 4
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