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MPQ86940 40A Intelli-PhaseTM Solution in TQFN-21 (4mmx5mm) Package, AEC-Q100
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pMPS MPQ86940 — 40A Intelli-PhaseTM Solution in TQFN-21 (4mmx5mm) Package, AEC-Q100, 40 A output, QFN-21, AEC-Q100./p
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MPQ86940 40A Intelli-PhaseTM Solution in TQFN-21 (4mmx5mm) Package, AEC-Q100
The MPS MPQ86940 is a 40A Intelli-PhaseTM Solution in TQFN-21 (4mmx5mm) Package, AEC-Q100. It is rated for 40 A. It is supplied in a QFN-21 package. The part is AEC-Q100 qualified.
The MPQ86940 is a monolithic half-bridge with built-in internal power MOSFETs and gate drivers.
Key Specifications
| Part Number | MPQ86940 |
| Function | 40A Intelli-PhaseTM Solution in TQFN-21 (4mmx5mm) Package, AEC-Q100 |
| Current Rating | 40 A |
| Interface | PWM |
| Package | QFN-21 |
| Qualification | AEC-Q100 |
| Ordering Codes | MPQ86940 |
Features
- Wide Operating Input Voltage (VIN) Range
- 40A Output Current (IOUT)
- Accepts Tri-State Pulse-Width Modulation (PWM) Signal
- Built-In Bootstrap (BST) Switch
- Quiet SwitcherTM Technology
- Accu-SenseTM Current Sense
- Temperature Sense
- Current-Limit Protection and Fault Flag
- Over-Temperature Protection (OTP) and Fault Flag
- Compatible with Multi-Phase Operation
Typical Application Circuit
Applications
- Autonomous Driving System-on-Chips (SoCs)
Design Notes
- Rail sequencing order and delay are part of the SoC power-up contract; a wrong order latches the processor even though every rail is in spec.
- In multiphase designs, current balance depends on the loop matching between phases, so keep the layout symmetric.
- Digital interfaces (PMBus, I²C) need pull-ups to the correct rail and a defined state during power-up.
- Thermal design is a system problem here: the PMIC sits next to the load it feeds, so budget the shared copper, not the package alone.
Common Questions
Which package and ordering codes apply to the MPQ86940?
QFN-21; order codes include MPQ86940.
What are the defining features of the MPQ86940?
Wide Operating Input Voltage (VIN) Range 40A Output Current (IOUT)
Is the MPQ86940 qualified for automotive designs?
Yes — it is AEC-Q100 qualified. Confirm the grade against the qualification summary in the datasheet before specifying it on a safety-related rail.
Shenzhen Gaorunxin Technology Co., Ltd
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