STPM801-TR STMicroelectronics Integrated Circuit (Quad Flat No-Lead) In Stock
STPM801-TR is an STMicroelectronics automotive-grade high-voltage hot swap controller with integrated soft-start and OR-ing functions in a 32-pin QFN package. It manages safe board insertion and removal on live high-voltage automotive power buses, protecting downstream loads. Available from authorized distributors with worldwide shipping.
- Manufacturer
- STMicroelectronics
- Package
- Quad Flat No-Lead
- Pin Count
- 33
- Lifecycle
- ACTIVE
- Datasheet
- STPM801-TR Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $5.0224(MOQ 2)
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Automotive-grade hot swap controller supporting high-voltage power bus management with integrated soft-start to limit inrush current during board insertion
- Integrated OR-ing function enables redundant power path management with automatic failover for safety-critical automotive power systems
- 32-pin QFN package with single-channel control simplifies PCB layout in automotive battery management units and power distribution modules
Applications
STPM801-TR is designed for automotive power distribution modules, 48 V mild-hybrid battery management units, and vehicle electronic control units (ECUs) that require controlled hot swap insertion and OR-ing of redundant power inputs on high-voltage buses. Its integrated soft-start function limits inrush current during power-up, protecting sensitive downstream automotive loads in ADAS, powertrain control, and infotainment power rails where AEC-Q100 reliability is required.
Specifications
| Factory Lead Time | 36Weeks |
| YTEOL | 9 |
| Adjustable Threshold | NO |
| Analog IC - Other Type | HOT SWAP CONTROLLER |
| JESD-30 Code | S-XQCC-N32 |
| JESD-609 Code | e3 |
| Number of Channels | 1 |
| Number of Functions | 1 |
| Package Body Material | UNSPECIFIED |
| Package Equivalence Code | LCC32,.2SQ,20 |
| Package Shape | SQUARE |
| Package Style | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE |
| Peak Reflow Temperature (Cel) | 260 |
| Screening Level | AEC-Q100 |
| Supply Current-Max (Isup) | 16mA |
| Supply Voltage-Max (Vsup) | 65V |
| Supply Voltage-Min (Vsup) | 4V |
| Supply Voltage-Nom (Vsup) | 14V |
| Surface Mount | YES |
| Terminal Finish | Matte Tin (Sn) - annealed |
| Terminal Form | NO LEAD |
| Terminal Pitch | 0.5mm |
| Terminal Position | QUAD |
| Threshold Voltage-Nom | +1V; +1.2V |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Package | Quad Flat No-Lead |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 3 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.60 |
| Country of Origin | Philippines |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
How does STPM801-TR's soft-start function protect downstream loads during hot insertion on a 48 V automotive bus?
STPM801-TR controls an external N-channel MOSFET gate to ramp the bus voltage to downstream loads over a programmable soft-start time, typically set by an external capacitor to limit inrush current to a safe level such as 10 A or less. Without soft-start, inserting a board with bulk capacitance of 100 µF or more onto a 48 V bus would generate inrush currents exceeding 50 A, risking connector damage or voltage drooping to adjacent ECUs on the same automotive power rail.
What is the role of the OR-ing function in STPM801-TR for redundant power architectures in safety-critical ECUs?
The OR-ing controller in STPM801-TR drives an external MOSFET to combine two power inputs so that if one supply fails, the other continues to power the ECU load without interruption. The controller monitors the voltage differential between the two inputs with a response time typically under 1 µs, enabling sub-microsecond failover. This is critical in ADAS and powertrain ECUs where a 10 ms power interruption could cause a system reset during active vehicle operation.
In what ways does STPM801-TR's 32-pin QFN package benefit automotive power module PCB layout?
The 32-pin QFN package of STPM801-TR has a small 5 mm x 5 mm body footprint with an exposed thermal pad, reducing board area versus larger SO packages and improving heat dissipation to the PCB through the exposed pad. With 0.5 mm lead pitch, 32 pins accommodate the gate drive, current sense, soft-start capacitor, and OR-ing control signals within the compact footprint, enabling automotive power distribution modules to place the controller close to the MOSFET switches and minimize gate-drive trace inductance.
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About STMicroelectronics
STMicroelectronics is a global semiconductor leader serving customers across the spectrum of electronics applications. ST's products are found in a wide range of applications including automotive, industrial, personal electronics, and communications.
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 2+ | $5.6050 | $11.21 |
| 250+ | $5.4480 | $1362.00 |
| 500+ | $5.4420 | $2721.00 |
| 12000+ | $5.2084 | $62500.80 |
| 24000+ | $5.1137 | $122728.80 |
| 48000+ | $5.0224 | $241074.24 |
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