l9958 STMicroelectronics, l9958 Datasheet - Page 9
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l9958
Manufacturer Part Number
l9958
Description
Low Rdson Spi Controlled H-bridge
Manufacturer
STMicroelectronics
Datasheet
1.L9958.pdf
(38 pages)
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Manufacturer
Quantity
Price
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Manufacturer:
ST
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Manufacturer:
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Quantity:
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L9958
2.3
PowerSSO24
Although this package has two separate pins for the ground (pin11 = PGND = Power
Ground and pin22 = GND = Logic Ground), the device is designed to work with shortening
ground and is mandatory that the two pins have to be connected nearby the IC on the PCB.
The exposed slug must be soldered on the PCB and connected to GND.
Table 4.
Figure 4.
1, 2, 12, 13,
14, 23, 24
Pin Nº
10
11
15
16
17
18
19
20
21
22
3
4
5
6
7
8
9
PowerSSO24 pin function
PowerSSO24 pin connection (top view)
VDDIO
PGND
Name
OUT1
OUT2
REXT
PWM
GND
SCK
VDD
N.C.
DIR
SO
CS
CP
EN
VS
DI
SI
VDDIO
PGND
OUT1
N.C.
N.C.
N.C.
DIR
SO
CS
CP
VS
DI
Not Connected
Serial Out
Supply Voltage for SPI
Chip Select
Supply Voltage for SPI
Supply Voltage
Direction Input
Output 1
Disable
Power Ground
Enable
Output 2
PWM Input
External Reference Resistor
Serial In
SPI Clock
Supply Voltage
Ground
Doc ID 17269 Rev 1
1
2
3
4
5
6
7
8
9
10
11
12
AC00657
24
23
22
21
20
19
18
17
16
15
14
13
Description
N.C.
N.C.
GND
VDD
SCK
SI
REXT
PWM
OUT2
EN
NC
NC
Pins description
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