参数资料
| 型号： | APGRD004 |
| 厂商： | Microchip Technology |
| 文件页数： | 9/20页 |
| 文件大小： | 0K |
| 描述： | REF DESIGN MOD AUTO AMBNT LIGHT |
| 产品培训模块： | Microchip MCP20xx LIN Transceiver Overview |
| 标准包装： | 1 |
| 主要目的： | 照明，RGB LED 控制器 |
| 嵌入式： | 是，MCU，8 位 |
| 已用 IC / 零件： | MCP2021，PIC12F615 |
| 主要属性： | 4 Tiny 板，每个板带：RGB LED，LIN 收发器，稳压器，MCU |
| 次要属性： | 对 LIN 指令加以解释，以控制 16,383 种颜色和 1,023 种调光级 |
| 已供物品： | 4 个板，CD |
| 产品目录页面： | 659 (CN2011-ZH PDF) |
| 相关产品： | PIC12F615-I/MF-ND - IC PIC MCU FLASH 1KX14 8DFN PIC12F615T-I/MF-ND - IC PIC MCU FLASH 1KX14 8DFN PIC12F615-E/MF-ND - IC PIC MCU FLASH 1KX14 8DFN MCP2021T-500E/SNTR-ND - IC LIN TXRX ON-BOARD VREG 8SOIC MCP2021T-500E/MDTR-ND - IC LIN TXRX ON-BOARD VREG 8DFN MCP2021T-330E/SNTR-ND - IC LIN TXRX ON-BOARD VREG 8SOIC MCP2021T-330E/MD-ND - IC LIN TXRX ON-BOARD VREG 8DFN MCP2021-500E/SN-ND - IC LIN TXRX ON-BOARD VREG 8SOIC MCP2021-500E/P-ND - IC LIN TXRX ON-BOARD VREG 8DIP MCP2021-500E/MD-ND - IC LIN TXRX ON-BOARD VREG 8DFN 更多... |
LED Lighting Solutions
Generating PWM Control Signals
There are multiple ways to generate PWM control signals to
control power circuits.
■ Devices with the Capture-Compare-PWM (CCP) module
can generate PWM signals to control power circuits using
an on-chip digital timebase. The signal pulse width is
controlled by the MCU clock and a duty cycle register.
■ The Enhanced CCP (ECCP) module allows one PWM signal
to control 2 or 4 output pins for half-bridge or H-bridge
control, respectively.
■ Devices that have a comparator and the ECCP module
can use the comparator signal to control the turn-off time
of the PWM signal.
■ Devices with comparators and a PWM SR latch can use
comparator signals and/or clock pulses to turn the latch
output on and off.
Buck LED Driver Using a Comparator
V BUS
V DD
■ An external PWM peripheral IC may be used. This option
is useful when multiple high speed PWM channels are
required.
■ PWM signals can be generated using software and I/O
pins. This option is less costly when PWM frequency and
duty cycle resolution requirements are not too high.
A PIC microcontroller with an on-chip comparator such as
the PIC12F609 can be used to implement a simple LED
driver. The PIC12HV609 adds an internal regulator, allowing
operation from a DC bus higher than 5 volts.
Literature on the Web
■ AN874 – Buck Configuration High-Power LED Driver,
DS00874
■ AN1074 – Software PWM Generation for LED Dimming
and RGB Color Applications, DS01074
V SS
PIC12HV615
Other Device Options:
PIC12F1822
PIC16F1823
Drive
Level
Comparator
Buck Topology
Driver
RGB Color LED Application Using PIC12HV615
RGB LED
50 mA
V IN
ADC Input
Color Set
Other Device Options:
PIC12F1822
PIC16F1827
PIC12HV615
R
G
B
User
Interface
www.microchip.com/lighting
LED Lighting Solutions Design Guide
9
相关PDF资料 |
PDF描述 |
|---|---|
| ARD00280 | KIT REF DESIGN PIC18F87J72 1PH |
| ARD00330 | DAUGHTER BOARD PIC18F87J72 |
| AS168X-CB2F200N | CIRCUIT BRKR THERMAL 20A 2POLE |
| AS168X-CB3DF150-618 | CIRCUIT BRKR THERMAL 15A 3POLE |
| AS168X-CB3G300 | CIRCUIT BRKR THERMAL 30.0A 3POLE |
相关代理商/技术参数 |
参数描述 |
|---|---|
| APGSABA | 制造商:OMRON AUTOMATION AND SAFETY 功能描述:CUSTOM SHUTTER ASSEMBLY 制造商:OMRON Industrial Automation 功能描述:CUSTOM SHUTTER ASSEMBLY |
| APG-SA-BA | 制造商:OMRON AUTOMATION AND SAFETY 功能描述:CUSTOM SHUTTER ASSEMBLY 制造商:OMRON Industrial Automation 功能描述:CUSTOM SHUTTER ASSEMBLY 制造商:Omron Corporation 功能描述:Custom Shutter Assembly 制造商:OMRON INDUSTRIAL AUTOMATION 功能描述:Custom Shutter Assembly |
| AP-GT1-1P-2428/1.6C(90) | 制造商:Hirose 功能描述:AP-GT1-1P-2428/1.6C(90) |
| APGT1-1P-2428/1.6C(91 | 制造商:Hirose 功能描述:APGT1-1P-2428/1.6C(91 |
| APGT1-1P-2428/1.6C-WS(61) | 制造商:Hirose 功能描述:APGT1-1P-2428/1.6C-WS(61) |
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