Overview
Sample & Buy
Solutions
Documentation
CAD Resources
Tools & Software
Quality & Reliability
eDesignSuite
Get Started
Partner products
Sales Briefcase
  • The L9637 is a monolithic integrated circuit containing standard ISO 9141 compatible interface functions.

    Key Features

    • Defined OFF output status in undervoltage condition and VS or GND interruption
    • K output current limitation, typ. IK = 60 mA
    • High input impedance for open VS or GND connection
    • Controlled output slope for low EMI
    • Defined K output OFF for TX input open
    • Defined output ON status of LO or RX for open LI or K inputs
    • EMI robustness optimized
    • Integrated pull up resistors for TX, RX and LO
    • Overtemperature shut down function Selective to K-I/O pin
    • Bidirectional K-I/O pin with supply voltage dependent input threshold
    • Operating power supply voltage range 4.5 V ≤ VS ≤ 36 V (40 V for transients)
    • Standby mode with very low current consumption ISSB ≤ 1 mA @ VCC ≤ 0.5 V
    • Reverse supply (battery) protected down to VS ≥ -24 V
    • TTL compatible TX input
    • Wide input and output voltage range -24 V ≤ VK ≤ VS
    • Low quiescent current in off condition ISOFF = 120 µA

Circuit Diagram

Download Download

Recommended for you

Related Applications

EDA Symbols, Footprints and 3D Models

STMicroelectronics - L9637

Speed up your design by downloading all the EDA symbols, footprints and 3D models for your application. You have access to a large number of CAD formats to fit with your design toolchain.

Symbols

Symbols

Footprints

Footprints

3D model

3D models

Quality and Reliability

Part Number Marketing Status Package Grade RoHS Compliance Grade Material Declaration**
E-L9637D
Active
SO-8 Automotive Ecopack2
E-L9637D013TR
Active
SO-8 Automotive Ecopack2

E-L9637D

Package:

SO-8

Material Declaration**:

PDF XML

Marketing Status

Active

Package

SO-8

Grade

Automotive

RoHS Compliance Grade

Ecopack2

E-L9637D013TR

Package:

SO-8

Material Declaration**:

PDF XML

Marketing Status

Active

Package

SO-8

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
E-L9637D Available at 5 distributors

Distributor availability ofE-L9637D

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 2609 1 Order Now
RS COMPONENTS EUROPE 1648 2 Order Now
ARROW EUROPE 515 0 Order Now
MOUSER WORLDWIDE 3774 1 Order Now
Farnell Element14 EUROPE 2452 1 Order Now

Distributor reported inventory date: 2021-01-15

Distributor Name

DIGIKEY

Stock

2609

Min.Order

1

Region

WORLDWIDE Order Now

RS COMPONENTS

Stock

1648

Min.Order

2

Region

EUROPE Order Now

ARROW

Stock

515

Min.Order

0

Region

EUROPE Order Now

MOUSER

Stock

3774

Min.Order

1

Region

WORLDWIDE Order Now

Farnell Element14

Stock

2452

Min.Order

1

Region

EUROPE Order Now

Distributor reported inventory date: 2021-01-15

Free Sample Buy Direct
Active
EAR99 NEC Tube SO-8 -40 150 CHINA 0.7 / 1k
E-L9637D013TR Available at 4 distributors

Distributor availability ofE-L9637D013TR

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 7238 1 Order Now
RS COMPONENTS EUROPE 2796 2 Order Now
MOUSER WORLDWIDE 4073 1 Order Now
Farnell Element14 EUROPE 3290 1 Order Now

Distributor reported inventory date: 2021-01-15

Distributor Name

DIGIKEY

Stock

7238

Min.Order

1

Region

WORLDWIDE Order Now

RS COMPONENTS

Stock

2796

Min.Order

2

Region

EUROPE Order Now

MOUSER

Stock

4073

Min.Order

1

Region

WORLDWIDE Order Now

Farnell Element14

Stock

3290

Min.Order

1

Region

EUROPE Order Now

Distributor reported inventory date: 2021-01-15

Free Sample Buy Direct
Active
EAR99 NEC Tape And Reel SO-8 -40 150 CHINA 0.7 / 1k

E-L9637D

Marketing Status

Active

ECCN (US)

EAR99

Budgetary Price (US$)*/Qty

0.7 / 1k

Distributor availability ofE-L9637D

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 2609 1 Order Now
RS COMPONENTS EUROPE 1648 2 Order Now
ARROW EUROPE 515 0 Order Now
MOUSER WORLDWIDE 3774 1 Order Now
Farnell Element14 EUROPE 2452 1 Order Now

Distributor reported inventory date: 2021-01-15

Distributor Name

DIGIKEY

Stock

2609

Min.Order

1

Region

WORLDWIDE Order Now

RS COMPONENTS

Stock

1648

Min.Order

2

Region

EUROPE Order Now

ARROW

Stock

515

Min.Order

0

Region

EUROPE Order Now

MOUSER

Stock

3774

Min.Order

1

Region

WORLDWIDE Order Now

Farnell Element14

Stock

2452

Min.Order

1

Region

EUROPE Order Now

Distributor reported inventory date: 2021-01-15

ECCN (EU)

NEC

Packing Type

Tube

Package

SO-8

Operating Temperature (°C)

(min)

-40

(max)

150

Budgetary Price (US$)* / Qty

0.7 / 1k

Country of Origin

CHINA

E-L9637D013TR

Marketing Status

Active

ECCN (US)

EAR99

Budgetary Price (US$)*/Qty

0.7 / 1k

Distributor availability ofE-L9637D013TR

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 7238 1 Order Now
RS COMPONENTS EUROPE 2796 2 Order Now
MOUSER WORLDWIDE 4073 1 Order Now
Farnell Element14 EUROPE 3290 1 Order Now

Distributor reported inventory date: 2021-01-15

Distributor Name

DIGIKEY

Stock

7238

Min.Order

1

Region

WORLDWIDE Order Now

RS COMPONENTS

Stock

2796

Min.Order

2

Region

EUROPE Order Now

MOUSER

Stock

4073

Min.Order

1

Region

WORLDWIDE Order Now

Farnell Element14

Stock

3290

Min.Order

1

Region

EUROPE Order Now

Distributor reported inventory date: 2021-01-15

ECCN (EU)

NEC

Packing Type

Tape And Reel

Package

SO-8

Operating Temperature (°C)

(min)

-40

(max)

150

Budgetary Price (US$)* / Qty

0.7 / 1k

Country of Origin

CHINA

(*) 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