STPMIC1BPQR STMicroelectronics Integrated Circuit (Quad Flat No-Lead) In Stock
The STPMIC1BPQR is an integrated power management unit (PMIC) from STMicroelectronics designed for application processors and SoC platforms. It integrates multiple DC-DC buck regulators, LDOs, and adjustable voltage thresholds in a compact WQFN-44 package. Available with a 12-week lead time and worldwide distribution.
- Manufacturer
- STMicroelectronics
- Package
- Quad Flat No-Lead
- Pin Count
- 45
- Lifecycle
- ACTIVE
- Datasheet
- STPMIC1BPQR Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $2.0600(MOQ 100)
- Temp Range
- -40.0°C to 105.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Integrated PMIC with multiple DC-DC buck regulators and LDOs for full SoC power sequencing from a single device
- Adjustable voltage threshold monitoring enables custom power-good and reset signaling for processor boot sequences
- WQFN-44 package with exposed thermal pad provides low thermal resistance in space-constrained embedded processor boards
- Introduced in 2019 with proven production reliability for embedded Linux and RTOS-based application processor designs
Applications
The STPMIC1BPQR is designed for powering application processors and multi-rail SoC platforms in embedded Linux systems such as industrial gateways, single-board computers, and HMI panels that require coordinated power sequencing across multiple voltage domains. It manages core, I/O, memory, and peripheral rails from a single PMIC device, simplifying PCB layout and reducing component count on carrier boards. Its adjustable threshold and power-good outputs also support safe power sequencing for DDR memory and eMMC storage in compact embedded computing modules.
Specifications
| Factory Lead Time | 12Weeks |
| Date Of Intro | 2019-06-28 |
| YTEOL | 8 |
| Adjustable Threshold | YES |
| Analog IC - Other Type | INTEGRATED POWER MANAGEMENT UNIT |
| JESD-30 Code | R-XQCC-N44 |
| JESD-609 Code | e4 |
| Number of Channels | 1 |
| Number of Functions | 1 |
| Package Body Material | UNSPECIFIED |
| Package Equivalence Code | LCC44,.16X.20,16 |
| Package Shape | RECTANGULAR |
| Package Style | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE |
| Peak Reflow Temperature (Cel) | 260 |
| Supply Voltage-Max (Vsup) | 5.5V |
| Supply Voltage-Min (Vsup) | 2.8V |
| Supply Voltage-Nom (Vsup) | 3.6V |
| Surface Mount | YES |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | NO LEAD |
| Terminal Pitch | 0.4mm |
| Terminal Position | QUAD |
| Threshold Voltage-Nom | +2.3V |
| 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
Compatible alternatives and drop-in replacements for STPMIC1BPQR:
Frequently Asked Questions
How many power rails can STPMIC1BPQR manage simultaneously for an application processor design?
The STPMIC1BPQR integrates multiple DC-DC buck converters and LDO regulators to supply a typical application processor requiring 4 to 6 separate voltage rails such as 1.0 V core, 1.8 V I/O, 3.3 V peripherals, and DDR memory at 1.35 V. Consolidating these into one 44-pin WQFN device reduces the PCB footprint compared to using discrete regulators, typically saving 40% to 60% of the power management area on a carrier board.
What adjustable threshold capability does STPMIC1BPQR offer, and why is it useful for processor boot sequences?
The STPMIC1BPQR provides adjustable voltage monitoring thresholds on its power rails, allowing designers to set custom power-good assertion levels aligned with the specific startup timing requirements of their SoC. For example, a processor may require its 1.0 V core rail to be stable within plus or minus 3% before the 1.8 V I/O rail is enabled, which can be programmed via the I2C configuration interface. This prevents latch-up and undefined logic states during cold and warm boot sequences.
For a compact industrial gateway design, why would an engineer choose STPMIC1BPQR over discrete regulators?
Using discrete regulators for a 6-rail SoC design would require at least 6 individual ICs plus 30 to 50 passive components, occupying over 10 cm² of PCB area. The STPMIC1BPQR integrates all these functions in a single WQFN-44 package of approximately 6 mm x 6 mm, cutting bill-of-materials cost by reducing component count and simplifying power sequencing without external timing resistors. The integrated I2C interface also allows runtime voltage scaling for dynamic power management in embedded Linux environments.
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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 |
|---|---|---|
| 100+ | $2.8987 | $289.87 |
| 250+ | $2.7538 | $688.46 |
| 500+ | $2.6700 | $1335.00 |
| 1000+ | $2.5100 | $2510.00 |
| 3000+ | $2.0600 | $6180.00 |
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