L9958

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SPI Controlled H-Bridge

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Product overview

Description

The L9958 is an SPI controlled H-Bridge, designed for the control of DC and stepper motors in safety critical applications and under extreme environmental conditions.

The H-Bridge is protected against over temperature, short circuits and has an undervoltage lockout for all the supply voltages Vsand Vdd, and for overvoltage on Vdd. All malfunctions cause the output stages to go tristate.

Detailed failure diagnostics on each channel is provided via SPI: short circuit to battery, short circuit to ground, short circuit overload, over temperature.

Open-load can be detected in ON condition, for the widest application ranges. Current regulation threshold can be set by SPI from 2.5 A to 8.6 A (Typ.), in 4 steps. Guaranteed accuracy is ±10 % on all temp range, using an external reference resistor with 1% accuracy over all temp range.

Current limitation threshold is linearly reduced by temperature over 165 °C.and a thermal warning bit is set by SPI. The H-Bridge contains integrated free-wheel diodes. In case of free-wheeling condition, the low side transistor is switched on in parallel of its diode to reduce power dissipation.

A multiple wire bonding technique, as well as ST proprietary package design is making L9958 compatible with three power packages, for maximum flexibility:

PowerSO-20 package (medium power, JEDEC standard MO166);PowerSO16 package (medium power, lower cost);PowerSSO24 package (low power, very low cost JEDEC standard MO271A).

  • All features

    • Programmable current regulation peak threshold by SPI up to 8.6 A typ.
    • Operating battery supply voltage 4.0 V to 28 V
    • Operating Vdd supply voltage 4.5 V to 5.5 V
    • All pins withstand 19 V, Vs and output pins withstand 40 V
    • Full path Ronfrom 100 mΩ (at Tj = -40 °C) to 300 mΩ (at Tj=150 °C)
    • Logic inputs TTL/CMOS-compatible
    • Operating frequency up to 20 kHz
    • 16-bit SPI interface for configuration/diagnostics, daisy chain capability
    • Over temperature and short circuit protection
    • VSundervoltage disable function
    • Vddundervoltage and overvoltage protection
    • Vddovervoltage detection
    • Open-load detection in ON condition
    • Full diagnostics in OFF state
    • Enable and disable input
    • Low stand by current (<10 μA)
    • Voltage and current slew-rate control for low EMI, programmable through SPI
    • Available in three power packages

Circuit Diagram

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STMicroelectronics - L9958

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Quality and Reliability

Part Number Marketing Status Package Grade RoHS Compliance Grade Material Declaration**
L9958
Active
PowerSO-20 Automotive Ecopack2
L9958SB
Active
PowerSO 16 Automotive Ecopack2
L9958SBTR
Active
PowerSO 16 Automotive Ecopack2
L9958TR
Active
PowerSO-20 Automotive Ecopack2
L9958XP
Active
PowerSSO 24 Automotive Ecopack2
L9958XPTR
Active
PowerSSO 24 Automotive Ecopack2

L9958

Package:

PowerSO-20

Material Declaration**:

PDF XML

Marketing Status

Active

Package

PowerSO-20

Grade

Automotive

RoHS Compliance Grade

Ecopack2

L9958SB

Package:

PowerSO 16

Material Declaration**:

PDF XML

Marketing Status

Active

Package

PowerSO 16

Grade

Automotive

RoHS Compliance Grade

Ecopack2

L9958SBTR

Package:

PowerSO 16

Material Declaration**:

PDF XML

Marketing Status

Active

Package

PowerSO 16

Grade

Automotive

RoHS Compliance Grade

Ecopack2

L9958TR

Package:

PowerSO-20

Material Declaration**:

PDF

Marketing Status

Active

Package

PowerSO-20

Grade

Automotive

RoHS Compliance Grade

Ecopack2

L9958XP

Package:

PowerSSO 24

Material Declaration**:

PDF XML

Marketing Status

Active

Package

PowerSSO 24

Grade

Automotive

RoHS Compliance Grade

Ecopack2

L9958XPTR

Package:

PowerSSO 24

Material Declaration**:

PDF XML

Marketing Status

Active

Package

PowerSSO 24

Grade

Automotive

RoHS Compliance Grade

Ecopack2

(**) The Material Declaration forms available on st.com may be generic documents based on the most commonly used package within a package family. For this reason, they may not be 100% accurate for a specific device. Please contact our sales support for information on specific devices.

Sample & Buy

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Part Number
Marketing Status
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Package
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RoHS
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ECCN (EU)
L9958XPTR
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Distributor availability of L9958XPTR

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L9958SBTR
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L9958XP
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L9958TR
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L9958
Available at distributors

Distributor availability of L9958

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Distributor reported inventory date:

No availability of distributors reported, please contact our sales office
L9958SB
Available at distributors

Distributor availability of L9958SB

Distributor Name
Region Stock Min. Order Third party link

Distributor reported inventory date:

No availability of distributors reported, please contact our sales office

L9958XPTR Active

Budgetary Price (US$)*/Qty:
-
Package:
Packing Type:
RoHS:
Country of Origin:
ECCN (US):
ECCN (EU):

Part Number:

L9958XPTR

Distributor Name

Distributor reported inventory date:

L9958SBTR Active

Budgetary Price (US$)*/Qty:
-
Package:
Packing Type:
RoHS:
Country of Origin:
ECCN (US):
ECCN (EU):

Part Number:

L9958SBTR

Distributor Name

Distributor reported inventory date:

L9958XP Active

Budgetary Price (US$)*/Qty:
-
Package:
Packing Type:
RoHS:
Country of Origin:
ECCN (US):
ECCN (EU):

Part Number:

L9958XP

Distributor Name

Distributor reported inventory date:

L9958TR Active

Budgetary Price (US$)*/Qty:
-
Package:
Packing Type:
RoHS:
Country of Origin:
ECCN (US):
ECCN (EU):

Part Number:

L9958TR

Distributor Name

Distributor reported inventory date:

L9958 Active

Budgetary Price (US$)*/Qty:
-
Package:
Packing Type:
RoHS:
Country of Origin:
ECCN (US):
ECCN (EU):

Part Number:

L9958

Distributor Name

Distributor reported inventory date:

L9958SB Active

Budgetary Price (US$)*/Qty:
-
Package:
Packing Type:
RoHS:
Country of Origin:
ECCN (US):
ECCN (EU):

Part Number:

L9958SB

Distributor Name

Distributor reported inventory date:

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(*) Suggested Resale Price (USD) per defined quantity for BUDGETARY USE ONLY. For quotes, prices in local currency, please contact your local ST Sales Office or our Distributors