KM1M7BF 逆变器控制系列

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KM1M7BF 逆变器控制系列

The KM1M7BF series, ideal for controlling power electronics, is a 32-bit Flash microcontroller featuring both high processing power and low power consumption, and incorporating the Arm^® Cortex^®-M7.

The device is equipped with a high-function PWM, high-speed, high-precision AD converter, and feedback control assist function, ideal for inverter control of brushless DC motors, and contributes to power electronics products that require high efficiency, low heat generation, and miniaturization.

Block Diagram

KM1M7BSeries-1-EN

Outline Specifications

•Built-in Arm^® Cortex ^® -M7 core		•12-bit A/D converter
Single- and double-precision FPUs		Minimum conversion time 0.5μs (2.0Msps)
•Clock frequency: 160 MHz		3 units, 32 channels
•Internal memory		•Variable Gain Amplifier (VGA)
Instruction Flash ROM: 512 KB		5 units
Flash ROM for data: 64 KB		•Comparator: 5 units
Instruction RAM: 64 KB		Window/2 level/1 levell switchable
RAM for data: 64 KB		•Functional Safety
•DMA Controller: 2 units / 16 channels		ROM/RAM ECC function
•Timer		Memory data protection function
General-purpose 16-bit timer: 20 channels		Register access protect function
PWM for power control: 12 units / 24 channels		Clock monitor function
•Communication		Window type WDT function
Synchronous/IIC: 1 channel		CRC operation function
Synchronous/UART: 2 channels		A/D converter Diagnostic function
Synchronous/UART/LIN: 1 channel		Supply voltage detection function
Synchronous/UART/SPI: 3 channels		Power-on reset function
Synchronous/UART/data share: 1 channel		•Power supply voltage: 5V single power supply
SM-Bus: 1 channel		•Operating temperature: Tc= -40 to 110°C

Reference Board

Solution	Target	Input Power	Structure	Deliverables	Status
Low voltage motor EVA board	Air purifiers Power tools One axis slider	134W	BLDC motor x 1	Hard Ref Soft IP	Available
High voltage motor EVA board	Air conditioner (Compressor and Fan) Washing machine Refrigerator	2kW	BLDC motor x 2 Single phase PFC	Hard Ref Soft IP	Available
3-phase interleaved PFC EVA board	Air conditioner Heat Pump	3.5kW	BLDC motor x 2 3-phase PFC	Hard Ref Soft IP	Available