PQ25792RQMT Texas Instruments Integrated Circuit (Other) In Stock
I2C-controlled 5 A buck-boost battery charger for 1–4 cell Li-Ion packs with dual-input selector, USB PD 3.0 OTG output, and wide 3.9 V–25 V input range. Supports up to 25.7 V overvoltage threshold. Available from Texas Instruments in VQFN-29 package.
- Manufacturer
- Texas Instruments
- Package
- Other
- Pin Count
- 33
- Lifecycle
- OBSOLETE
- Datasheet
- PQ25792RQMT Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of PQ25792RQMT?
- 5 A high-efficiency buck-boost charging supports 1–4 cell Li-Ion battery packs with single IC
- Dual-input selector with USB PD 3.0 OTG output enables seamless power path switching up to 25.7 V overvoltage threshold
- I2C-programmable parameters including charge current, voltage, and thresholds for flexible system integration
- Ultra-compact VQFN-29 (3.5 mm × 3.5 mm) footprint suits space-constrained portable designs
What is PQ25792RQMT used for?
The PQ25792RQMT is designed for portable consumer electronics such as laptops, tablets, and power banks that require efficient multi-cell battery management. Its USB PD 3.0 OTG capability makes it ideal for dual-role power devices that alternate between charging and providing power to peripherals. The dual-input selector suits applications powered from both USB-C adapters and wireless charging receivers.
What are the specifications of PQ25792RQMT?
| Date Of Intro | 2020-06-21 |
| YTEOL | 0 |
| Additional Feature | OVERVOLTGAE RISING THRESHOLD=25.7V |
| Adjustable Threshold | YES |
| Analog IC - Other Type | LINEAR BATTERY CHARGER |
| JESD-30 Code | S-PQCC-N29 |
| Number of Channels | 4 |
| Number of Functions | 1 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | LCC29,.17SQ,16 |
| Package Shape | SQUARE |
| Package Style | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE |
| Supply Current-Max (Isup) | 3300mA |
| Supply Voltage-Max (Vsup) | 24V |
| Supply Voltage-Min (Vsup) | 3.6V |
| Supply Voltage-Nom (Vsup) | 5V |
| Surface Mount | YES |
| Technology | BICMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Form | NO LEAD |
| Terminal Pitch | 0.4mm |
| Terminal Position | QUAD |
| Threshold Voltage-Nom | +8V |
| Package | Other |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.01 |
Where can I find the PQ25792RQMT datasheet?
PQ25792RQMT Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for PQ25792RQMT?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the maximum charge current supported by PQ25792RQMT and how is it configured?
The PQ25792RQMT supports up to 5 A charge current, programmed via I2C commands. This allows dynamic adjustment between system states, enabling aggressive 5 A fast-charge when thermal budget permits and reduced current for trickle or maintenance charging of 1–4 cell Li-Ion packs.
Which battery cell configurations work with PQ25792RQMT for a USB-C power bank design?
PQ25792RQMT supports 1 to 4 series Li-Ion cells, making it suitable for power banks ranging from single-cell 3.7 V packs up to 4S 16.8 V configurations. The buck-boost topology maintains regulated 5 A output even when the input voltage from a 20 V USB PD adapter is close to the battery voltage.
How does the dual-input selector in PQ25792RQMT simplify PCB design for laptops with both USB-C and wireless charging inputs?
The integrated dual-input selector automatically arbitrates between two power sources without external OR-ing FETs, reducing BOM count and board area. It supports input voltages from 3.9 V up to 25.7 V OVP threshold, covering USB PD adapters up to 20 V and wireless charging receivers, while protecting downstream circuits from overvoltage events.
What package does PQ25792RQMT use and what are the key thermal considerations?
PQ25792RQMT is housed in a 29-pin VQFN (S-PQCC-N29) plastic/epoxy package with a 0.17-inch square exposed thermal pad. Operating at up to 5 A, designers should ensure adequate copper pours and vias beneath the thermal pad to maintain junction temperature within the rated range for reliable continuous operation.
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About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
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