MPT612 datasheet(2/37 Pages) NXP

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NXP Semiconductors

MPT612

Maximum power point tracking IC

Features and benefits

ARM7TDMI-S 32 bit RISC core operating at up to 70 MHz

128-bit wide interface and accelerator enabling 70 MHz operation

10-bit ADC providing

Eight analog inputs

Conversion times as low as 2.44 µs per channel and dedicated result registers

minimize interrupt overhead

Five analog inputs available for user specific applications

One 32-bit timer and external event counter with four capture and four compare

channels

One 16-bit timer and external event counter with three compare channels

Low power Real-Time Clock (RTC) with independent power supply and dedicated

32 kHz clock input

Serial interfaces including:

Two UARTs (16C550)

Two Fast I

2C-buses (400 kbit/s)

SPI and SSP with buffering and variable data length capabilities

Vectored interrupt controller with configurable priorities and vector addresses

Up to twenty eight (28), 5 V tolerant fast general purpose I/O pins

Up to 13 edge or level sensitive external interrupt pins available

Three levels of flash Code Read Protection (CRP)

70 MHz maximum clock available from programmable on-chip PLL with input

frequencies between 10 MHz and 25 MHz and a settling time of 100 ms

Integrated oscillator operates with an external crystal at between 1 MHz and 25 MHz

Power saving modes include:

Idle mode

Two Power-down modes; one with the RTC active and with the RTC deactivated

Individual enabling/disabling of peripheral functions and peripheral clock scaling for

additional power optimization

Processor wake-up from Power-down and Deep power-down mode using an external

interrupt or the RTC

Applications

DC application charge controller for solar PV power and fuel-cells. The use cases are

Battery charging for home appliances such as lighting, DC fans, DC TV,DC motor

or any other DC appliance

Battery charging for public lighting and signaling - LED street lighting,

garden/driveway lighting, railway signaling, traffic signaling, remote telecom

terminals/towers etc

Battery charging for portable devices

DC-DC converter per panel to provide improved efficiency

Micro inverter per panel removes the need for one large system inverter

MPT612

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Product data sheet

Rev. 2 — 14 September 2010

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