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MP2761 4-22V, 6A I2C-Controlled, 2-Cell to 4-Cell Buck-Boost Charger QFN-30
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pMPS MP2761 — I2C-Controlled, 2-Cell to 4-Cell Buck-Boost Charger, 4-22V input, 6 A output, QFN-30./p
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MP2761 4-22V, 6A I2C-Controlled, 2-Cell to 4-Cell Buck-Boost Charger QFN-30
The MPS MP2761 is a I2C-Controlled, 2-Cell to 4-Cell Buck-Boost Charger. It operates from a 4 V to 22 V input, is rated for 6 A and handles 2s to 4s battery stacks. It is supplied in a QFN-30 package.
The MP2761 is a buck-boost charger IC designed for battery packs with 2-cell to 4-cell in series.
Key Specifications
| Part Number | MP2761 |
| Function | I2C-Controlled, 2-Cell to 4-Cell Buck-Boost Charger |
| Input Voltage | 4 V to 22 V |
| Current Rating | 6 A |
| Battery Cells | 2s to 4s |
| Interface | I²C |
| Package | QFN-30 |
| Ordering Codes | MP2761, MP2761GVT-0000-Z |
Features
- Buck-Boost Charger for 2-Cell to 4-Cell in Series Battery Packs
- 4V to 22V Operation Input Voltage (VIN)
- Up to 26V Sustainable Voltage (Up to 28V with External MOSFET)
- Supports USB 2.0, USB 3.0, USB 3.1, USB 3.2, USB Type-C, and USB PD 3.0 Settings
- Smooth Transition for Buck and Boost Modes
- Configurable Maximum Input Current (IIN) Limit and Minimum VIN Limit
- Up to 6A Configurable Charge Current
- Configurable Battery-Full Voltage Up to 18.72V with 0.5% Accuracy
- Configurable 4V to 21V IN Output Voltage in Source Mode (VIN_SRC) with 20mV/Step
- Up to 6A Output Current in Source Mode (IIN_SRC) with 50mA/Step
Typical Application Circuit
Applications
- USB Power Delivery (PD) Devices
Design Notes
- Charge current accuracy depends on the sense resistor tolerance, so use a 1% or better part and keep its traces Kelvin-connected.
- Wire the NTC input for JEITA profile control if the pack is charged over temperature.
- Set the input current limit to what the adapter can actually deliver; a limit above the adapter rating causes the input rail to collapse mid-charge.
- Termination current and recharge threshold dominate cycle life in shallow-cycling products.
Common Questions
What input voltage does the MP2761 support?
4 V to 22 V. The rated output is 6 A.
Which package and ordering codes apply to the MP2761?
QFN-30; order codes include MP2761, MP2761GVT-0000-Z.
What are the defining features of the MP2761?
Buck-Boost Charger for 2-Cell to 4-Cell in Series Battery Packs 4V to 22V Operation Input Voltage (VIN)
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