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L9958 Datasheet(PDF) 3 Page - STMicroelectronics

Part # L9958
Description  Low RDSON SPI controlled H-Bridge
Download  38 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L9958 Datasheet(HTML) 3 Page - STMicroelectronics

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L9958
Contents
Doc ID 17269 Rev 5
3/38
5.2.6
Vs under-voltage shutdown . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
5.2.7
Vdd over-voltage detection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
5.2.8
Vdd under-voltage detection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
5.2.9
Output short protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
5.3
Off-state diagnosis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
5.3.1
Off-state detection scheme . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
5.3.2
Open load detection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
5.4
H-Bridge functional status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
6
Electrical specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
6.1
Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
6.2
Thermal data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
6.3
Range of functionality . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
6.4
Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
6.4.1
Device supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
6.4.2
Device supply monitoring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
6.4.3
SPI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
6.4.4
Digital inputs: TTL // 3.3V / 5V CMOS compatible . . . . . . . . . . . . . . . . . 29
6.4.5
Bridge output drivers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
6.4.6
Over-temperature monitoring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
6.4.7
Current limitation and over-current detection . . . . . . . . . . . . . . . . . . . . . 30
6.4.8
Diagnostic of open-load in on-state . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
6.4.9
Off-state diagnostic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
6.4.10
Timing characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
7
Application circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
8
Package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
9
Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37


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