Product overview
Description
The L9347 is an integrated quad low-side power switch to drive inductive loads like valves used in ABS systems. Two of the four channels are current regulators with current range from 250mA to 2.25A and an accuracy of 10%.
All channels are protected against fail functions. They are monitored by a status output.
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All features
- Open load detection
- Selective overtemperature shutdown
- External clock control
- Ground and supply loss detection
- Regulator drift detection
- Recirculation control
- Regulator resolution 5mA
- Regulator error control
- Status monitoring
- Output slope control
- Integrated free-wheeling and clamping Z-diodes
- Quad low-side switch
- 2 x 2.5A designed as switched current-regulator
- 2 x 5A designed as conventional switch
- Power SO-36 - package with integrated cooling area
- Short circuit protection
- Electrostatic discharge (ESD) protection
- Low ON-resistance 2 x 0.2Ω , 2 x 0.35Ω (typ.)
- Status push-pull stages
Circuit Diagram
EDA Symbols, Footprints and 3D Models
STMicroelectronics - L9347
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Symbols
Footprints
3D models
Quality and Reliability
| Part Number | Marketing Status | Package | Grade | RoHS Compliance Grade | Material Declaration** |
|---|---|---|---|---|---|
| L9347LF | NRND | PowerSO 36 | Automotive | Ecopack2 | |
| L9347LF-TR | NRND | PowerSO 36 | Automotive | 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 | Marketing Status | Budgetary Price (US$)*/Qty | Order from ST | Order from distributors | Package | Packing Type | RoHS | Country of Origin | ECCN (US) | ECCN (EU) | Operating temperature (°C) | Operating Temperature (°C) (max) | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| min | max | |||||||||||||
| L9347LF-TR | | | distributors No availability of distributors reported, please contact our sales office | |||||||||||
| L9347LF | | | distributors No availability of distributors reported, please contact our sales office | |||||||||||
L9347LF-TR NRND
L9347LF NRND
(*) 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