Inverter:BYD (Qin Plus DM-i PHEV(2021)) MG-ECU PCB Circuit Analysis Report
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| BYD Qin (秦)PlusDM-i PHEV(2021) | ||
| ※Extracted from the Web | ||
| Equipped Inverter Appearance | Equipped INV Control Substrate |
Overview
- BYD, a leading emerging Chinese automobile manufacturer, represents the following vehicle:
The “Qin Plus DM-i PHEV,” a sedan by BYD (released in March 2021).
- This model is the first to adopt the DM-i Super Hybrid System.
The vehicle comes in four grades, with the lowest-priced grade having a suggested retail price of 99,800 yuan (approximately 1.94 million yen), making it a noteworthy PHEV priced below 100,000 yuan.
- This report focuses on the teardown of the installed inverter unit and the circuit analysis of the control board*.
*The control board, equipped with three MCUs, handles various functions:
Sends gate PWM control signals for MG1 and MG2.
Receives drive signals.
Interfaces with rotation detection resolvers for MG1 and MG2.
Includes various signal detection circuits.
Product Features
- PHEV with front-wheel drive and a permanent magnet synchronous motor.
- Inverter specifications (water-cooled) : Maximum output: 132 kW Maximum torque: 316 Nm
- BYD-manufactured IGBT modules (models):Boost: BG500FH12E34L4 Motor: BG600F12E34L4
- Installed battery: 8.32 kWh (lithium iron phosphate battery)
Report Contents (59 pages)
1.Inverter Teardown Report:
Disassembly process of the inverter unit
Investigation of major components mounted on the board
2.Control Board Circuit Analysis Report of Installed Inverter Unit:
Disassembly process of the inverter unit
List of components mounted on the board
Block diagram and circuit diagram
Delivered one week after order placement. Please contact us for report pricing.
