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  • 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).

    Key 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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Related Applications

Automotive Motor Control

Evaluation Tools

    • Part Number

      Evaluation board for high current (8.6A) DC and Stepper Motors

00 Files selected for download

Technical Documentation

    • Description Version Size Action
      DS6762
      Low RDSON SPI controlled H-Bridge
      6.0
      762.03 KB
      PDF
      DS6762

      Low RDSON SPI controlled H-Bridge

    • Description Version Size Action
      UM0759
      L9958 evaluation board and graphical user interface (GUI)
      2.2
      1.64 MB
      PDF
      UM0759

      L9958 evaluation board and graphical user interface (GUI)

    • Description Version Size Action
      AN4627
      Getting started with EVAL - L9958
      1.0
      1.33 MB
      PDF
      AN4627

      Getting started with EVAL - L9958

Publications and Collaterals

    • Description Version Size Action
      Automotive powertrain and safety ICs 1.0
      838.51 KB
      PDF
      Smart power solutions for car body applications 4.0
      3.38 MB
      PDF

      Automotive powertrain and safety ICs

      Smart power solutions for car body applications

    • Description Version Size Action
      ST’s solutions for automotive seating systems 1.0
      1.3 MB
      PDF

      ST’s solutions for automotive seating systems

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 XML

Marketing Status

Active

Package

PowerSO-20

Grade

Automotive

RoHS Compliance Grade

Ecopack2

L9958XP

Package:

PowerSSO 24

Material Declaration**:

PDF

Marketing Status

Active

Package

PowerSSO 24

Grade

Automotive

RoHS Compliance Grade

Ecopack2

L9958XPTR

Package:

PowerSSO 24

Material Declaration**:

PDF

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

Part Number
Order from Distributors
Order from ST
Marketing Status
ECCN (US)
ECCN (EU)
Packing Type
Package
Temperature (°C) Country of Origin
Budgetary Price (US$)*/Qty
min
max
L9958XPTR Available at 2 distributors

Distributor availability ofL9958XPTR

Distributor Name
Region Stock Min. Order Third party link
ARROW EUROPE 1000 0 Order Now
MOUSER WORLDWIDE 98 1 Order Now

Distributor reported inventory date: 2020-08-13

Distributor Name

ARROW

Stock

1000

Min.Order

0

Region

EUROPE Order Now

MOUSER

Stock

98

Min.Order

1

Region

WORLDWIDE Order Now

Distributor reported inventory date: 2020-08-13

Sample & Buy Buy now
Active
EAR99 NEC Tape And Reel PowerSSO 24 - - MALAYSIA 2.7 / 1k
L9958SBTR Available at 3 distributors

Distributor availability ofL9958SBTR

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 861 1 Order Now
MOUSER WORLDWIDE 1867 1 Order Now
Farnell Element14 EUROPE 600 1 Order Now

Distributor reported inventory date: 2020-08-13

Distributor Name

DIGIKEY

Stock

861

Min.Order

1

Region

WORLDWIDE Order Now

MOUSER

Stock

1867

Min.Order

1

Region

WORLDWIDE Order Now

Farnell Element14

Stock

600

Min.Order

1

Region

EUROPE Order Now

Distributor reported inventory date: 2020-08-13

Sample & Buy Buy now
Active
EAR99 NEC Tape And Reel PowerSO 16 - - MALAYSIA 2.8 / 1k
L9958XP Available at 3 distributors

Distributor availability ofL9958XP

Distributor Name
Region Stock Min. Order Third party link
ARROW EUROPE 935 0 Order Now
MOUSER WORLDWIDE 993 1 Order Now
Farnell Element14 EUROPE 142 1 Order Now

Distributor reported inventory date: 2020-08-13

Distributor Name

ARROW

Stock

935

Min.Order

0

Region

EUROPE Order Now

MOUSER

Stock

993

Min.Order

1

Region

WORLDWIDE Order Now

Farnell Element14

Stock

142

Min.Order

1

Region

EUROPE Order Now

Distributor reported inventory date: 2020-08-13

Buy now
Active
EAR99 NEC Tube PowerSSO 24 - - MALAYSIA 2.7 / 1k
L9958TR Available at 1 distributors

Distributor availability ofL9958TR

Distributor Name
Region Stock Min. Order Third party link
MOUSER WORLDWIDE 286 1 Order Now

Distributor reported inventory date: 2020-08-13

Distributor Name

MOUSER

Stock

286

Min.Order

1

Region

WORLDWIDE Order Now

Distributor reported inventory date: 2020-08-13

Sample & Buy Buy now
Active
EAR99 NEC Tape And Reel PowerSO-20 - - MALAYSIA 3.9 / 1k
L9958 Available at 2 distributors

Distributor availability ofL9958

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 63 1 Order Now
MOUSER WORLDWIDE 188 1 Order Now

Distributor reported inventory date: 2020-08-13

Distributor Name

DIGIKEY

Stock

63

Min.Order

1

Region

WORLDWIDE Order Now

MOUSER

Stock

188

Min.Order

1

Region

WORLDWIDE Order Now

Distributor reported inventory date: 2020-08-13

Sample & Buy Buy now
Active
EAR99 NEC Tube PowerSO-20 - - MALAYSIA 3.9 / 1k
L9958SB No availability of distributors reported, please contact our sales office
Active
EAR99 NEC Tube PowerSO 16 - - MALAYSIA 2.8 / 1k

L9958XPTR

Marketing Status

Active

ECCN (US)

EAR99

Budgetary Price (US$)*/Qty

2.7 / 1k

Distributor availability ofL9958XPTR

Distributor Name
Region Stock Min. Order Third party link
ARROW EUROPE 1000 0 Order Now
MOUSER WORLDWIDE 98 1 Order Now

Distributor reported inventory date: 2020-08-13

Distributor Name

ARROW

Stock

1000

Min.Order

0

Region

EUROPE Order Now

MOUSER

Stock

98

Min.Order

1

Region

WORLDWIDE Order Now

Distributor reported inventory date: 2020-08-13

ECCN (EU)

NEC

Packing Type

Tape And Reel

Package

PowerSSO 24

Operating Temperature (°C)

(min)

-

(max)

-

Budgetary Price (US$)* / Qty

2.7 / 1k

Country of Origin

MALAYSIA

L9958SBTR

Marketing Status

Active

ECCN (US)

EAR99

Budgetary Price (US$)*/Qty

2.8 / 1k

Distributor availability ofL9958SBTR

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 861 1 Order Now
MOUSER WORLDWIDE 1867 1 Order Now
Farnell Element14 EUROPE 600 1 Order Now

Distributor reported inventory date: 2020-08-13

Distributor Name

DIGIKEY

Stock

861

Min.Order

1

Region

WORLDWIDE Order Now

MOUSER

Stock

1867

Min.Order

1

Region

WORLDWIDE Order Now

Farnell Element14

Stock

600

Min.Order

1

Region

EUROPE Order Now

Distributor reported inventory date: 2020-08-13

ECCN (EU)

NEC

Packing Type

Tape And Reel

Package

PowerSO 16

Operating Temperature (°C)

(min)

-

(max)

-

Budgetary Price (US$)* / Qty

2.8 / 1k

Country of Origin

MALAYSIA

L9958XP

Marketing Status

Active

ECCN (US)

EAR99

Budgetary Price (US$)*/Qty

2.7 / 1k

Distributor availability ofL9958XP

Distributor Name
Region Stock Min. Order Third party link
ARROW EUROPE 935 0 Order Now
MOUSER WORLDWIDE 993 1 Order Now
Farnell Element14 EUROPE 142 1 Order Now

Distributor reported inventory date: 2020-08-13

Distributor Name

ARROW

Stock

935

Min.Order

0

Region

EUROPE Order Now

MOUSER

Stock

993

Min.Order

1

Region

WORLDWIDE Order Now

Farnell Element14

Stock

142

Min.Order

1

Region

EUROPE Order Now

Distributor reported inventory date: 2020-08-13

ECCN (EU)

NEC

Packing Type

Tube

Package

PowerSSO 24

Operating Temperature (°C)

(min)

-

(max)

-

Budgetary Price (US$)* / Qty

2.7 / 1k

Country of Origin

MALAYSIA

L9958TR

Marketing Status

Active

ECCN (US)

EAR99

Budgetary Price (US$)*/Qty

3.9 / 1k

Distributor availability ofL9958TR

Distributor Name
Region Stock Min. Order Third party link
MOUSER WORLDWIDE 286 1 Order Now

Distributor reported inventory date: 2020-08-13

Distributor Name

MOUSER

Stock

286

Min.Order

1

Region

WORLDWIDE Order Now

Distributor reported inventory date: 2020-08-13

ECCN (EU)

NEC

Packing Type

Tape And Reel

Package

PowerSO-20

Operating Temperature (°C)

(min)

-

(max)

-

Budgetary Price (US$)* / Qty

3.9 / 1k

Country of Origin

MALAYSIA

L9958

Marketing Status

Active

ECCN (US)

EAR99

Budgetary Price (US$)*/Qty

3.9 / 1k

Distributor availability ofL9958

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 63 1 Order Now
MOUSER WORLDWIDE 188 1 Order Now

Distributor reported inventory date: 2020-08-13

Distributor Name

DIGIKEY

Stock

63

Min.Order

1

Region

WORLDWIDE Order Now

MOUSER

Stock

188

Min.Order

1

Region

WORLDWIDE Order Now

Distributor reported inventory date: 2020-08-13

ECCN (EU)

NEC

Packing Type

Tube

Package

PowerSO-20

Operating Temperature (°C)

(min)

-

(max)

-

Budgetary Price (US$)* / Qty

3.9 / 1k

Country of Origin

MALAYSIA

L9958SB

Marketing Status

Active

ECCN (US)

EAR99

Budgetary Price (US$)*/Qty

2.8 / 1k

ECCN (EU)

NEC

Packing Type

Tube

Package

PowerSO 16

Operating Temperature (°C)

(min)

-

(max)

-

Budgetary Price (US$)* / Qty

2.8 / 1k

Country of Origin

MALAYSIA

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