MCP9510HT-E datasheet(8/20 Pages) MICROCHIP

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LED Lighting Solutions Design Guide

www.microchip.com/lighting

LED Lighting Solutions

Integrate Multiple Tasks –

PIC12 and PIC16 Mixed Signal Solutions

The LED current drive function can be integrated with other

tasks on the same MCU. Members of the PIC12F and PIC16F

device families provide the next step up from the PIC10F

family and facilitate highly integrated mixed signal designs in

8, 14 and 20-pin package options. The available peripherals

in this series of devices include:

■ Shunt Voltage Regulator

■ Comparators

■ Op Amps

■ ADC

■ Voltage Reference

■ Hardware PWM (Digital Timebase or SR Latch)

These peripherals allow external power circuits to be directly

controlled by the MCU. For a LED driver application, the

analog peripherals can be configured and interconnected in

software to provide constant current regulation. This leaves

the CPU free to run other tasks such as communication,

dimming control or fault detection.

Internal 5V Regulator

The internal shunt voltage regulator option allows the MCU

to be operated from a higher voltage DC bus making it

useful in AC line powered applications. Only a series resistor

is required between the power supply and the device VDD

pin.

Devices with an “HV” designator in the part number have an

internal regulator.

Compatible Pinouts Provide Migration Options

8-Pin

20-Pin

14-Pin

PIC

® MCU

VDD

VSS

8, 14 and 20-Pin PIC® Microcontroller Mixed Signal Features

Device

Pins

Voltage

Reference

Analog

Comparator

Op Amps

ADC

Digital

PWM

Module

PWM SR

Latch

PIC12F609/PIC12HV609

–

––

–

PIC12F615/PIC12HV615

–

10-bit

–

PIC12F1822

Yes

–

10-bit

PIC16F610/PIC12HV610

–

PIC16F616/PIC16HV616

–

10-bit

PIC16F785/PIC16HV785

Yes

10-bit

PIC16F1828

Yes

–

10-bit

Note: ‘HV’ part numbers have internal shunt voltage regulator.

Easy Migration

The 8, 14 and 20-pin devices in the PIC12F and PIC16F

families have compatible pin-outs for upward and downward

migration. Common connections such as power and ground

are located in the same positions on the package footprint

so that an 8-pin design can easily be expanded to a 14 or

20-pin design.

Literature on the Web

■ AN1035 – Designing with HV Microcontrollers, DS01035

■ PIC16F785/HV785 Device Data Sheet, DS41249

Web Links

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