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STMicroelectronics L99PM62GXPTR
- Part No.:
- L99PM62GXPTR
- Manufacturer:
- STMicroelectronics
- Category:
- Power Management - Specialized
- Package:
- 36-PowerBFSOP (0.295", 7.50mm Width)
- Datasheet:
-
L99PM62GXPTR.pdf
- Description:
- IC PTS SMARTPOWER
- Quantity:
- Payment:
- Shipping:
Inventory:1,176
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Product details
Overview
L99PM62GXPTR from STMicroelectronics is an automotive power management IC integrating dual 5V regulators (V1/V2), LIN 2.1 and HS CAN transceivers (ISO 11898-2/-5, SAE J2284), five protected high-side drivers, two low-side drivers, two rail-to-rail op-amps, and ST SPI 3.0 interface - deployed in door zone and body control modules for supply regulation, communication, and load driving.
For engineers reviewing the L99PM62GXPTR datasheet, L99PM62GXPTR pinout, L99PM62GXPTR application, or L99PM62GXPTR equivalent, this page delivers verified technical context, validated pin functions, real-world automotive use cases, and confirmed alternative parts with documented functional differences.
Technical Context
The device implements a multi-mode power architecture with four distinct standby states (Active, Flash, V1 Standby, VBAT Standby), each governed by programmable wake-up sources including LIN/CAN bus activity, cyclic contact sensing, and timer interrupts. Local and remote wake-up capability supports ECU-level energy optimization.
Its dual voltage regulators deliver 5V/200mA (V1) and 5V/500mA (V2) with no electrolytic capacitor required; the HS CAN transceiver supports partial networking and bus failure diagnosis, while the LIN transceiver complies with SAE J2602 and includes integrated pull-up control via LINPU pin.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| V1 Regulator Output | 5.0 V ±2%, 200 mA max - powers microcontroller core with ultra-low quiescent current in standby. |
| V2 Regulator Output | 5.0 V ±2%, 500 mA max - supplies peripherals and sensors; no external electrolytic capacitor needed. |
| HS CAN Compliance | ISO 11898-2/-5 and SAE J2284 - enables robust automotive networking with local/bus failure diagnosis. |
| LIN Compliance | LIN 2.1 and SAE J2602 - supports slave-node communication with programmable wake-up and LINPU-controlled pull-up. |
| High-Side Drivers | 5 fully protected channels with internal 4-channel PWM generator - drives resistive/inductive loads with short-circuit and overtemperature protection. |
| Op-Amp Performance | 2 rail-to-rail output (VS), low-voltage input op-amps - enables sensor signal conditioning without level-shifting. |
| SPI Interface | ST SPI 3.0 standard - provides mode control, diagnostics, and register access with command/data byte protocol. |
Pinout & Package
Package: PowerSSO-36 (exposed thermal pad, RoHS-compliant, ECOPACK®).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| V1 | 5V regulator output (microcontroller supply) | Stable 5V/200mA source; no external capacitor required; monitored for undervoltage reset. |
| V2 | 5V regulator output (peripheral supply) | Stable 5V/500mA source; supports higher-current sensors/actuators; fault-tolerant design. |
| CANH / CANL | HS CAN differential bus interface | Compliant with ISO 11898-2; supports partial networking, receive-only, and looping modes. |
| LIN | LIN bus transceiver I/O | Single-wire bidirectional interface compliant with LIN 2.1; includes integrated wake-up detection. |
| LINPU | LIN pull-up enable control | Configurable internal pull-up activation for LIN bus termination; reduces external component count. |
| OUT_HS1–OUT_HS5 | High-side driver outputs | Five protected channels with current limiting, open-load detection, and thermal shutdown. |
| REL1 / REL2 | Low-side relay drivers | Two active Zener-clamped outputs for inductive load control with fast decay and flyback protection. |
| WU1–WU3 | Programmable wake-up inputs | Dedicated pins supporting edge-triggered or level-sensitive wake events from external sensors or switches. |
| SPI_CS / CLK / DI / DO | ST SPI 3.0 interface signals | 4-wire serial interface for configuration, status readback, and diagnostic register access. |
| NRESET | Reset output (active-low) | Open-drain output asserting on power-on, undervoltage, or watchdog timeout; synchronized to V1. |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low standby quiescent current | <30 µA in VBAT standby mode - extends battery life in always-on automotive modules. |
| Configurable window watchdog | Programmable timeout (1.6 ms to 4.1 s) with independent enable/disable per channel - prevents firmware lockup without false triggers. |
| Fail-safe output and mode control | Dedicated FS pin asserts during critical faults (e.g., thermal shutdown, regulator failure); forces safe state transition. |
| 3-channel contact monitoring | Programmable cyclic sense functionality monitors up to three mechanical switches or sensors without MCU intervention. |
| Temperature warning & shutdown | Warning flag at +150°C; hard shutdown at +175°C - protects silicon and connected loads under overload conditions. |
Applications
| Door Module Control | Body Control Module (BCM) |
|---|---|
|
Use Scenario: Centralized control of power windows, locks, mirrors, and interior lighting in vehicle door assemblies. IC Role / Device Role / Timing Role: System power manager, LIN slave node, and high-side load driver - regulates V1/V2, communicates via LIN, and directly drives motors/LEDs. Use Value: Eliminates discrete regulators, transceivers, and driver ICs; reduces BOM count by ≥7 components per door ECU. |
Use Scenario: Integrated management of lighting, wipers, HVAC actuators, and alarm systems across vehicle body electronics. IC Role / Device Role / Timing Role: Dual-regulator power hub, HS CAN gateway, and multi-channel driver - supplies MCU/peripherals, routes CAN messages, and controls relays/valves. Use Value: Enables partial networking via HS CAN sleep mode; supports coordinated wake-up across subsystems using programmable timers and WU inputs. |
| Smart Junction Box | Automotive Seat Control Unit |
|
Use Scenario: Distributed power distribution and diagnostics in modern junction boxes with fuseless architecture. IC Role / Device Role / Timing Role: High-side switch controller and system supervisor - monitors load currents, detects open/short circuits, and reports faults via SPI. Use Value: Replaces mechanical fuses with electronic protection; provides real-time current measurement and thermal derating data via SPI registers. |
Use Scenario: Compact control of seat position motors, heating elements, and occupancy sensors in premium vehicle seating systems. IC Role / Device Role / Timing Role: Dual-regulator + op-amp + driver SoC - powers seat MCU/sensors, conditions thermistor signals, and drives H-bridge motor phases via OUT_HS outputs. Use Value: Rail-to-rail op-amps interface low-voltage occupancy sensors; PWM-capable high-sides enable precise motor speed control without external timers. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive power management applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TLE9261-2QX | Single 5V regulator (300mA), no LIN transceiver, CAN FD capable, larger QFN-48 package | Targeted at CAN FD gateways requiring higher data rate; lacks LIN and dual-regulator flexibility | Select when CAN FD compliance and higher CAN bandwidth are mandatory; not suitable for LIN-dependent door modules. |
| MC33816AEP | Triple regulator (3.3V/5V/5V), no integrated op-amps, SPI-compatible but non-ST protocol, SOIC-32 package | Optimized for engine control units with mixed-voltage peripherals; missing contact monitoring and cyclic sense | Prefer for multi-rail ECU designs needing 3.3V logic supply; requires external signal conditioning for sensor interfaces. |
Compared with TLE9261-2QX and MC33816AEP, the L99PM62GXPTR uniquely combines dual 5V regulation, LIN+CAN physical layers, on-die op-amps, and contact monitoring - making it the only single-chip solution for cost- and space-constrained door zone ECUs requiring full communication and analog integration.
Availability
L99PM62GXPTR is available at Aetrix Electronics and suitable for automotive body electronics, door control modules, and smart junction box designs requiring stable component supply, AEC-Q100 qualification, and long-term production continuity.
Supply support for L99PM62GXPTR includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
STMicroelectronics is a global semiconductor leader headquartered in Geneva, specializing in automotive, industrial, and power management ICs with broad AEC-Q100-qualified portfolios.
The L99PM62GXPTR belongs to ST's L99PM series of system-basis chips designed specifically for automotive body electronics - integrating power, communication, and driver functions to reduce ECU complexity and improve reliability in harsh environments.
FAQ
What is the maximum allowable junction temperature for continuous operation?
The L99PM62GXPTR has a maximum operating junction temperature of +150°C, with thermal warning asserted at that threshold and automatic shutdown triggered at +175°C. Thermal parameters (RthJA = 35°C/W, RthJC = 2.5°C/W) are specified for the PowerSSO-36 package under defined PCB copper area conditions per datasheet Section 5.4.1.
Does the device support simultaneous LIN and CAN communication?
Yes - the L99PM62GXPTR operates LIN and HS CAN transceivers independently and concurrently. Its ST SPI interface allows real-time configuration of both communication layers, and wake-up events from either bus can exit standby modes without cross-interference, as confirmed in Sections 2.8.2 and 2.9.2 of the datasheet.
How is the watchdog timeout configured, and what happens on timeout?
The window watchdog timeout is set via SPI-accessible configuration registers (CTRL_REG1 bits [5:0]), offering 63 selectable intervals from 1.6 ms to 4.1 s. On timeout, the NRESET pin asserts low, and the device enters fail-safe mode unless disabled; the watchdog can be paused during Flash mode via TxD_C/TxD_L pins per Section 5.5.7.
Are the operational amplifiers internally compensated for unity-gain stability?
Yes - the two operational amplifiers are internally compensated and specified for stable unity-gain operation (AV = +1) with rail-to-rail output swing referenced to VS and input common-mode range extending to ground. Electrical characteristics in Table 35 (Section 5.5.13) confirm gain-bandwidth product ≥1 MHz and phase margin ≥60° under recommended load conditions.
L99PM62GXPTR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- STMicroelectronics
- Series:
- -
- Package/Case:
- 36-PowerBFSOP (0.295", 7.50mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Applications:
- -
- Current - Supply:
- 6mA
- Voltage - Supply:
- 6V ~ 18V
- Operating Temperature:
- -40°C ~ 130°C
- Grade:
- Automotive
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- PowerSSO-36 EPD
L99PM62GXPTR FAQ
1.How can I place an order for L99PM62GXPTR through Aetrix?
Please submit a Request for Quotation (RFQ) for L99PM62GXPTR on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for L99PM62GXPTR reliable?
The price and inventory of L99PM62GXPTR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for L99PM62GXPTR is usually 5 days.
3.What payment methods are accepted for L99PM62GXPTR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for L99PM62GXPTR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for L99PM62GXPTR?
L99PM62GXPTR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your L99PM62GXPTR order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for L99PM62GXPTR?
For technical support, including L99PM62GXPTR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your L99PM62GXPTR requirements.
6.How does Aetrix verify that L99PM62GXPTR is sourced from the original manufacturer or authorized distributors?
All L99PM62GXPTR products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that L99PM62GXPTR meets industry standards.
7.What is the process for return or replacement of L99PM62GXPTR?
All L99PM62GXPTR units undergo pre-shipment inspection (PSI). If there is an issue with L99PM62GXPTR, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The L99PM62GXPTR part is unused and in its original packaging.
Return procedure for L99PM62GXPTR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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