MPQ7260-AEC1

MPQ7260-AEC1

36V, 15A Peak I_SW, Buck-Boost Converter with Integrated Low-Side MOSFETs Built for Exterior Lighting, AEC-Q100 Qualified

概要

The MPQ7260-AEC1 is a buck-boost converter with two integrated low-side power MOSFETs (LS-FETs). The device can deliver up to 100W of peak output power (P_OUT) at certain input supply voltage (V_IN) ranges with excellent efficiency. It offers a very compact solution to achieve up to 5A of continuous output current (I_OUT), with excellent load and line regulation.

The MPQ7260-AEC1 works with a configurable switching frequency (f_SW) for all buck, boost, and buck-boost modes. One special buck-boost control strategy provides high efficiency across the full V_IN range and smooth transient response between different modes.

The device integrates an I²C interface and one-time programmable (OTP) memory to provide flexible, configurable features.

Fault protections include constant current (CC) limiting, output over-voltage protection (OVP), and thermal shutdown (TSD).

The MPQ7260-AEC1 requires a minimal number of readily available, standard external components, and is available in a QFN-20 (3mmx5mm) package. It is available in AEC-Q100 Grade 1.

機能と利点

Designed for Automotive Applications:
- Up to 36V Load Dump
- Down to 2.8V Cold Crank
- Up to 5A Output Current (I_OUT)
Improved Efficiency and Thermals:
- 1μA Shutdown Supply Current (I_SD)
- Up to 98% Peak Efficiency
- Integrated Gate Driver for High-Side Power MOSFETs (HS-FETs)
- Output Bias VCC Low-Dropout (LDO) Regulator for Higher Efficiency
- Selectable Forced Pulse-Width Modulation (PWM) Mode or Auto-Pulse Frequency Modulation (PFM)/PWM Mode

Optimized for EMC/EMI:

Selectable 280kHz, 420kHz, or 580kHz Switching Frequency (f_SW)
Frequency Spread Spectrum (FSS)
Symmetric SW Pinout
CISPR 25 Class 5 Compliant

Additional Features:

Digitally Configurable Reference Voltage (V_REF) Range: 0.1V to 2.147V, with 1mV Steps
Line Drop Compensation via R_SENS
Accurate Output Constant Current (CC) Limit: ±5%
Short-to-Ground Battery Protection
Output Over-Current Protection (OCP), Over-Voltage Protection (OVP), and Thermal Shutdown (TSD)
Enable (EN) Shutdown Passive Discharge
I²C Interface, Alert, and One-Time Programmable (OTP) Memory
Available in a QFN-20 (3mmx5mm) Package with Wettable Flanks
Available in AEC-Q100 Grade 1