PQ25886RGET Texas Instruments Integrated Circuit (Quad Flat No-Lead) In Stock
The PQ25886RGET is a standalone 2-cell boost-mode battery charger from Texas Instruments supporting 2 A charge current from a USB input with adjustable threshold control. It integrates a heat-sink slug in a 24-pin QFN package for efficient thermal management. Available from stock worldwide with fast shipping.
- Manufacturer
- Texas Instruments
- Package
- Quad Flat No-Lead
- Pin Count
- 25
- Lifecycle
- OBSOLETE
- Datasheet
- PQ25886RGET 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 PQ25886RGET?
- Boost-mode topology charges 2-cell battery stacks from a 5 V USB input, enabling direct USB-powered charging without a separate boost converter
- 2 A programmable charge current with adjustable threshold supports flexible battery chemistry and pack capacity requirements
- 24-pin QFN (S-PQCC-N24) with exposed heat-sink slug maximizes thermal dissipation in compact portable charger PCBs
What is PQ25886RGET used for?
The PQ25886RGET is designed for portable power banks, wearable devices, and IoT hubs requiring 2-cell Li-Ion charging directly from a 5 V USB Type-A or Type-C source. Its boost-mode architecture enables the charger to deliver 2 A to a 2-cell stack even when the input voltage is below the combined cell voltage. Industrial handheld scanners and medical wearables also use it for compact, thermally efficient charging stages.
What are the specifications of PQ25886RGET?
| Date Of Intro | 2019-04-17 |
| YTEOL | 0 |
| Adjustable Threshold | YES |
| Analog IC - Other Type | LINEAR BATTERY CHARGER |
| JESD-30 Code | S-PQCC-N24 |
| Number of Channels | 1 |
| Number of Functions | 1 |
| Package Body Material | PLASTIC/EPOXY |
| Package Shape | SQUARE |
| Package Style | CHIP CARRIER, HEAT SINK/SLUG |
| Supply Voltage-Max (Vsup) | 6.2V |
| Supply Voltage-Min (Vsup) | 4.3V |
| Supply Voltage-Nom (Vsup) | 5V |
| Surface Mount | YES |
| Temperature Grade | INDUSTRIAL |
| Terminal Form | NO LEAD |
| Terminal Position | QUAD |
| Package | Quad Flat No-Lead |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.60 |
Where can I find the PQ25886RGET datasheet?
PQ25886RGET Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for PQ25886RGET?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
Why is a boost-mode topology necessary in the PQ25886RGET for charging a 2-cell battery stack from USB?
A 2-cell Li-Ion stack has a fully charged voltage of approximately 8.4 V, which is well above the USB 5 V bus. A boost-mode charger like the PQ25886RGET steps up the 5 V input to the higher cell voltage needed for charging, allowing up to 2 A charge current delivery without requiring an external boost converter. Buck-mode or linear chargers cannot perform this function from a 5 V source.
How does the PQ25886RGET's adjustable threshold feature benefit designs with different battery capacities?
The adjustable charge threshold lets designers set the current termination and voltage regulation points to match 2-cell packs ranging from small 500 mAh cells to larger 3000 mAh packs without changing the IC. A resistor or DAC output on the threshold pin scales the 2 A maximum charge rate proportionally, preventing under-charging of large packs or overcharging of small cells, which extends battery cycle life and maintains safety margins.
How does the exposed heat-sink slug on the PQ25886RGET's 24-pin QFN package affect thermal design?
At 2 A charge current with a typical boost conversion efficiency, the PQ25886RGET dissipates several hundred milliwatts internally. The exposed thermal slug on the 24-pin QFN (S-PQCC-N24) conducts this heat directly to the PCB copper ground plane, keeping junction temperature below the 125°C maximum even in a compact enclosure. A properly designed 4-layer PCB with multiple thermal vias under the slug can achieve junction-to-board thermal resistance below 30°C/W.
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Why Buy from FindMyChip
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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