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IC-HT

更新时间： 2024-11-09 12:36:23

品牌	Logo	应用领域
ICHAUS		驱动器二极管激光二极管
页数	文件大小	规格书
42页	972K
描述
DUAL CW LASER DIODE DRIVER

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中文翻译

获取价格

数据手册

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IC-HT 数据手册

iC-HT

DUAL CW LASER DIODE DRIVER

Rev A1, Page 1/42

FEATURES

APPLICATIONS

♦ Laser diode modules

♦ CW laser diode drivers

♦ Embedded laser diode

controllers

♦ Dual channel CW operation with up to 750 mA per channel

♦ Up to 1500 mA with both channels combined

♦ 2.8 V to 8 V power supply

♦ Operation with or without µController

♦ Individual enable input per channel

♦ Safety related laser controllers

♦ Control loop accuracy better than 1%

♦ Internal programmable logarithmic monitor resistor

♦ Operating point setup with 10 bit logarithmic resolution

♦ ACC or APC mode individually conﬁgurable for each channel

♦ A/D converters for analog monitoring

♦ Serial programming interface (SPI or I²C compliant)

♦ Conﬁguration content veriﬁcation and validation

♦ Laser channel disable with programmable overcurrent

threshold

PACKAGES

♦ Optimized for N-type laser diodes

♦ Low drop linear regulator for 3.3 V

♦ Low current standby mode

♦ Temperature monitor

QFN28 5 mm x 5 mm

♦ Temperature range -40 . . . 85 °C

BLOCK DIAGRAM

2.8...8V

DUAL CW LASER DIODE DRIVER

VDD REGULATOR

ACC

REF

RAM

INTEGRITY

CHECK

RAM

REGISTERS

DCO

0x10 0x30

OVC1

VDD

8 Bit

0x11

ILIM1(7:0)

CVB

1μF

CVDD

1μF

0x1F 0x3F

LDK1

10 Bit

0x13

0x14

REF1(9:8)

REF1(7:0)

VB UNDERVOLTAGE

ECIE1

..750mA

VDD UNDERVOLTAGE

CI1

..10 nF..

CIL1

MEMERR

CFGTIMO

NCHK

EACC1

LDK1

VDD

WATCHDOG

Check

WATCHDOG

TIMER

10 Bit

0x03

0x04

ADC1(9:8)

ADC1(7:0)

AGND1

MDA1

PODO

OVT

OVC

OSCILLATOR

IO DRIVERS

ADSNF1

0x10 ADCC1(2:0)

EMC

APC

RM1

8 Bit

EMC

DISP1

NCS/A1

PLR1

0x12

RMD1(7:0)

MOSI/A0

SCLK/SCL

MISO/SDA

SPI/I2C

SLAVE

255

MRL1

LASER CHANNEL 1

0x05

0x06

ADC2(9:8)

ADC2(7:0)

LDK2

CI2

INS/WKR

NSTBY

EC1

..750mA

CI2

0x16

ILIM2(7:0)

LASER

..10 nF..

CIL2

AGND2

MDA2

0x18

0x19

REF2(9:8)

REF2(7:0)

CONTROL

EC2

0x17

0x02

RMD2(7:0)

TEMP(7:0)

T.PAD

GND

RM2

TEMPERATURE

MONITOR 8 Bit

GND

MRL2

LASER CHANNEL 2

http://www.ichaus.com

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中文翻译

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