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Monolithic Power Systems MP4248 | Demoboard EVL4248-QV-00A
36V, 140W, Buck-Boost with Integrated Low-Side MOSFETs, Supports High-Side Current Sense and I2C Evaluation Board
Overview
| Topology | Buck-Boost Converter |
| Input voltage | 3.6-36 V |
| Output 1 | 5 V / 7 A |
| IC revision | 1.0 |
Description
The EVL4248-QV-00A evaluation board is designed to demonstrate the capabilities of the MP4248, a buck-boost converter with two low side MOSFETs (LS-FETs). The device can deliver up to 140W of peak output power (POUT) at certain input-supply range with excellent efficiency.The MP4248 is well-suited for USB power delivery (PD) applications. It can work with an external USB PD controller through the I2C interface.It is recommended to read the MP4248 datasheet prior to making any changes to the EVL4248-QV-00A.
Features
- IEC62368-1 Certified
- 140W Buck-Boost Converter with Integrated Low-Side MOSFETs (LS-FETs)
- Integrated Gate Driver for High-Side MOSFETs (HS-FETs)
- Configurable Input UVLO
- 3.6V to 36V Start-Up Input Voltage Range
- 1V to 36V Output Voltage (VOUT) Range with 1% Accuracy
- Supports 2.8V Falling VIN When VOUT > 3.5V
- Up to 98% Peak Efficiency
- I2C-Configurable VREF Range: 0.1V to 2.147V with 1mV Resolution
- Accurate Output CC Current Limit: ±5%, Supports High-Side (HS) Current Sense
- Accurate Output Current Monitor (IMON)
- Meets USB PD 3.1 EPR AVS and PPS Specification
- Selectable 280kHz, 420kHz, and 580kHz Switching Frequency (fSW)
- Selectable Forced PWM Mode or Automatic PFM/PWM Mode
- Output Bias VCC LDO for Higher Efficiency
- Line Drop Compensation via RSENS
- I2C, Alert, and OTP Memory
- EN Shutdown Passive Discharge
- Output OCP, OVP, and Thermal Shutdown Protection
- Available in a QFN-20 (3mmx5mm) Package
Typical applications
- Buck-Boost Converter
- USB Type-C and USB Power Delivery (PD), USB Type-C PD Monitors and Docking Stations
More information
Products
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | C | Tol. C | VR (V (DC)) | Size | Operating Temperature | DF (%) | RISO | Ceramic Type | L (mm) | W (mm) | H (mm) | Fl (mm) | Packaging | Pins (pcs) | Pitch (mm) | Version | Gender | Type | Rows | Mount | IR (A) | Working Voltage (V (AC)) | Contact Resistance (mΩ) | Tol. R | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 885012105017 | SPEC | 7 files | Active i| Production is active. Expected lifetime: >10 years. | WCAP-CSGP MLCCs 16 V(DC) | 220 nF | ±20% | 16 | 0402 | -55 °C up to +85 °C | 10 | 0.5 GΩ | X5R Class II | 1 | 0.5 | 0.5 | 0.25 | 7" Tape & Reel | – | – | – | – | – | – | – | – | – | – | – | ||
| 885012105012 | SPEC | 9 files | Active i| Production is active. Expected lifetime: >10 years. | WCAP-CSGP MLCCs 10 V(DC) | 1 µF | ±20% | 10 | 0402 | -55 °C up to +85 °C | 15 | 0.05 GΩ | X5R Class II | 1 | 0.5 | 0.5 | 0.25 | 7" Tape & Reel | – | – | – | – | – | – | – | – | – | – | – | ||
| 885012206026 | SPEC | 9 files | Active i| Production is active. Expected lifetime: >10 years. | WCAP-CSGP MLCCs 10 V(DC) | 1 µF | ±10% | 10 | 0603 | -55 °C up to +125 °C | 10 | 0.1 GΩ | X7R Class II | 1.6 | 0.8 | 0.8 | 0.4 | 7" Tape & Reel | – | – | – | – | – | – | – | – | – | – | – | ||
 | 612010235121 | SPEC | – | 7 files | Active i| Production is active. Expected lifetime: >10 years. | WR-BHD 2.54 mm Male | – | – | – | – | -40 °C up to +125 °C | – | 1000 MΩ | – | 20.3 | – | – | – | Tray | 10 | 2.54 | Low Profile | Male | Straight | – | THT | 3 | 250 | 20 | max. | |
 | 61300311121 | SPEC | – | 7 files | Active i| Production is active. Expected lifetime: >10 years. | WR-PHD Pin Header - Single | – | – | – | – | -40 °C up to +105 °C | – | 1000 MΩ | – | 7.62 | – | – | – | Bag | 3 | 2.54 | – | Pin Header | Straight | Single | THT | 3 | 250 | 20 | max. |
| Order Code | Datasheet | Simulation | |
|---|---|---|---|
| 885012105017 | SPEC | |
| 885012105012 | SPEC | |
| 885012206026 | SPEC | |
| 612010235121 | SPEC | – |
| 61300311121 | SPEC | – |
| Samples |
|---|
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | C | Tol. C | VR (V (DC)) | Size | Operating Temperature | DF (%) | RISO | Ceramic Type | L (mm) | W (mm) | H (mm) | Fl (mm) | Packaging | Pins (pcs) | Pitch (mm) | Version | Gender | Type | Rows | Mount | IR (A) | Working Voltage (V (AC)) | Contact Resistance (mΩ) | Tol. R | Samples |
|---|
