Quality Confirmation
Date code, batch, package, label and marking details are checked before shipment. Inspection photos and third-party inspection support are available when required.
LIMCHIP CO., LIMITED
Professional Electronic Components Distributor · HK · SZ · SG · Original Stock · Global Shipping
RFQ ListingDiscrete Semiconductors
L9945TR is an STMicroelectronics AEC-Q100 automotive 8-channel MOSFET pre-driver configurable for high-side, low-side, H-bridge and peak-and-hold load control in 12 V and 24 V battery systems. It offers 32-bit SPI configuration, per-channel diagnostics, 64 programmable overcurrent thresholds and redundant safety disable in a TQFP-64 EP.
ManufacturerSTMicroelectronics
PackageTQFP-64 EP, 10 × 10 mm
SeriesL9945
Power IC Specifications
| Parameter | Value / Specification |
|---|---|
| Function / Topology | 8-channel configurable MOSFET pre-driver for high-side (N/P), low-side, up to two H-bridges and two peak-and-hold loads |
| Input Voltage | Battery supply 3.8 V to 36 V (12 V and 24 V battery systems); VDD supply 4.5 V to 5.5 V |
| Output Voltage / Current | Eight gate-driver outputs with programmable gate charge/discharge currents and 64 independently programmable overcurrent thresholds |
| Control / Interface | 32-bit SPI protocol for configuration and diagnostics, daisy-chain operation, 10-bit ADC for battery and die temperature |
| Safety | Redundant external disable (DIS/NDIS), built-in self test, communication-check watchdog, AEC-Q100 qualified |
| Diagnosis | Per-output short-to-battery, short-to-ground and open-load detection with latched failure reporting over SPI |
| Temperature Grade | -40 °C to +150 °C (junction) |
| Package / Case | TQFP-64 EP, 10 × 10 mm |
Power Features & Applications
- Eight configurable gate-driver channels for flexible load topologies
- Supports high-side, low-side, dual H-bridge and peak-and-hold control
- 64 programmable overcurrent thresholds with ultra-fast shutdown
- Full per-channel diagnostics monitored through dedicated SPI registers
- Redundant disable path and BIST support ISO 26262-oriented designs
- Programmable slew-rate control improves EMC behavior
Need Price & Availability for L9945TR?
LimChip can confirm current price, date code, packing condition, lot traceability and shipment schedule for L9945TR.
Listed stock is subject to final RFQ confirmation.
For faster RFQ confirmation, please include:
- Required quantity
- Target date code
- Package / case requirement
- Delivery country
- Company name and contact person
- Target price if available
Prefer email? Send this RFQ via email instead.
Quality, Shipping & Payment
Commercial and shipment details for L9945TR are confirmed with the formal quotation.
Shipping
LimChip supports worldwide delivery through established logistics providers. Carrier, lead time, tracking and buyer-appointed freight-forwarder requirements are confirmed by our sales team.
Payment
Payment method, currency and trade terms are confirmed in the formal quotation or proforma invoice. Contact our sales team for the options available for your order.
Frequently Asked Questions
Is L9945TR available from LimChip?
LimChip can confirm current availability, price, quantity, date code and lead time for L9945TR by RFQ.
What should buyers check before ordering L9945TR?
Buyers should check voltage range, current rating, package, protection features and date code for L9945TR, together with live stock and traceable supply.
How do I request a quote for L9945TR?
Use the RFQ button and include required quantity, target date code, package/case requirement, delivery country, company name and contact details.