L9659：Octal squib driver ASIC for safety application
The L9659 is intended to deploy up to 8 squibs. Squib drivers are sized to deploy 1.2 A minimum for 2 ms, 1.75 A minimum for 1 ms and 1.75 A minimum for 0.65 ms during load dump along with 1.5 A minimum for 2 ms for VRES voltages less than 25 V.
Full diagnostic capabilities of the squib interface are provided.
Key Features
- 8 deployment drivers with SPI selectable firing current and times
- Capability to deploy the squib with 1.2 A (min)/2 ms, 1.75 A (min)/1.0 ms and 1.75 A (min)/0.65 ms between VRES of 7 V to 37 V
- Capability to deploy the squib with 1.5 A (min)/2 ms between VRES of 7 V to 25 V
- Firing capability to deploy all channels simultaneously
- Independently controlled high-side and low-side MOS for diagnosis
- Analog output available for resistance measurement
- Squib short to ground, short to battery and MOS diagnostic available on SPI register
- Capability to deploy the squib the low side MOS is shorted to ground
- 4 fire enable inputs
- 5.5 MHz SPI interface
- Low voltage internal reset
- 2 kV ESD capability on all pins
- Package: LQFP64
- Technology: ST proprietary BCD5 (0.65 μm)
- RoHS compliant
Product Specifications
Application Notes
Sample & Buy
| Part Number | Quantity | Unit Price (US$)
* | Package | Packing Type | Operating Temperature (°C) (min) | Operating Temperature (°C) (max) | ECCN (EU) | ECCN (US) | Country of Origin |
|---|
| L9659 | - | - | LQFP 64 10x10x1.4 | Tray | -40 | 95 | NEC | EAR99 | MALAYSIA |
| L9659TR | - | - | LQFP 64 10x10x1.4 | Tape And Reel | -40 | 95 | NEC | EAR99 | MALAYSIA |
Quality & Reliability
| Part Number | Package | Grade | RoHS Compliance Grade | Material Declaration** |
|---|
| L9659 | LQFP 64 10x10x1.4 | Automotive | Ecopack2 | |
| L9659TR | LQFP 64 10x10x1.4 | Automotive | Ecopack2 | |
