High-Performance Processor (MCU) for Integrated Cortex-M0 Core Motor Control Applications – LCP037AH31ES8
Product Introduction
1. Product Overview:
The LCP037A series (LCP037AH31ES8/LCP037AK31EU8/LCP037AK31EV8) is a high-performance processor integrated with a Cortex-M0 core, designed for applications such as motor control. It also integrates three independent PMOS, three independent NMOS gate driver modules, and a 5.0V, 50mA LDO integrated chip.
1.1 Performance
· 96MHz 32-bit M0 core
· Supports three low-power modes: sleep mode, stop mode, ultra-low power stop mode
· Three-phase P/N MOS gate driver modules
· Industrial-grade operating temperature
1.2 Memory
· 32KBytes embedded Flash (32-bit width), supports prefetch and read/write protection
· 4KBytes SRAM (32-bit width), divided into two independent partitions, each 2Kbytes
1.3 Reset and Power
· Power supply and I/O from 1.8V to 5.5V
· Two LDOs, one for low-power always-on/backup power domain, one for the core power domain during system operation
· High-precision power-on and power-down reset (POR_PDR)
· Programmable low-voltage reset (LVR), with 8 low-voltage reset points: 1.6V, 1.8V, 2.0V, 2.5V, 2.8V, 3.0V, 3.5V, 4.0V
· Programmable voltage monitor (LVD), with 8 voltage monitoring points: 2.0V, 2.2V, 2.4V, 2.7V, 2.9V, 3.1V, 3.6V, 4.5V
1.4 Clock
· High-speed crystal oscillator (OSCH) from 4MHz to 16MHz
· Built-in factory-calibrated 16MHz RC oscillator (RCH, 1% accuracy)
· Low-speed crystal oscillator (OSCL) at 32KHz
· Built-in factory-calibrated 24KHz RC oscillator (RCL, 10% accuracy)
· Built-in PLL, maximum output 144MHz, jitter less than 100ps
1.5 Peripheral Modules
· Two UARTs
· Two SPIs, supporting master/slave mode
· One I2C, supporting master/slave mode
· One 16-bit advanced control timer TIM1
· Five 16-bit general-purpose timers: TIM3, TIM14, TIM15, TIM16, TIM17
· One 16-bit basic timer TIM6
· One independent watchdog timer
· One window watchdog timer
· One 24-bit decrementing system base timer
· One WT clock timer
· LCP037AK31EU(V)8 supports up to 20 fast I/O ports, LCP037AH31ES8 supports up to 14 fast I/O ports
1.6 Analog Modules
· One 12-bit A/D converter, maximum conversion rate of 1.5MSPS, supports up to 18 channels, with built-in temperature sensor
· Integrated 3 operational amplifiers
· Integrated three comparators
· Integrated two 10-bit DACs
· Back EMF sampling circuit (HALL_MID)
1.7 Pre-driver Chip Overview
The pre-driver chip is a cost-effective three-phase PMOS and NMOS gate driver dedicated chip, internally integrating LDO, dead-time control circuit, undervoltage shutdown circuit, lockout circuit, and output driver circuit, used for motor controllers and power driver circuits. The power supply voltage range is 6V to 36V, with static power consumption less than 1mA. It has an internal 5V output LDO to power external MCUs and other devices. When the input voltage exceeds 12V, to better match the P/N MOS, the LO output maximum voltage is 11V, and the HO output minimum voltage is VCC minus 11V. The LO output current capability is IO+/- 0.045/0.28A, and the HO output current capability is IO+/- 0.26/0.04A.
Chip Features:
· Three-phase P/N MOS gate driving
· Power supply voltage input range: 6V-36V
· Adapts to 3V-30V input voltage
· VCC undervoltage protection
· Built-in 5V/50mA output LDO
· Built-in dead-time control circuit
· Built-in lockout function
· LIN1/2/3 input channels are high-level effective, controlling LO output
· HIN1/2/3 input channels are high-level effective, controlling HO output
Functional Block Diagram:
Chip Applications:
1. Motor control
2. Fans
3. Vacuum cleaners (driving motors)
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