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CAT4016HV6-T2

更新时间： 2024-01-03 19:55:56

品牌	Logo	应用领域
CATALYST		显示驱动器驱动程序和接口接口集成电路
页数	文件大小	规格书
15页	227K
描述
16-Channel Constant Current LED Driver

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CAT4016HV6-T2 技术参数

是否无铅：	不含铅	是否Rohs认证：	符合
生命周期：	Active	零件包装代码：	QFN
包装说明：	TQFN-24	针数：	24
Reach Compliance Code：	compliant	ECCN代码：	EAR99
HTS代码：	8542.39.00.01	风险等级：	5.24
Is Samacsys：	N	数据输入模式：	SERIAL
接口集成电路类型：	LED DISPLAY DRIVER	JESD-30 代码：	S-XQCC-N24
JESD-609代码：	e3	长度：	4 mm
湿度敏感等级：	1	复用显示功能：	NO
功能数量：	1	区段数：	16
端子数量：	24	最高工作温度：	85 °C
最低工作温度：	-40 °C	封装主体材料：	UNSPECIFIED
封装代码：	HVQCCN	封装等效代码：	LCC24,.16SQ,20
封装形状：	SQUARE	封装形式：	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
峰值回流温度（摄氏度）：	260	电源：	3.3/5 V
认证状态：	Not Qualified	座面最大高度：	0.8 mm
子类别：	Display Drivers	最大供电电压：	5.5 V
最小供电电压：	3 V	标称供电电压：	5 V
表面贴装：	YES	温度等级：	INDUSTRIAL
端子面层：	Tin (Sn)	端子形式：	NO LEAD
端子节距：	0.5 mm	端子位置：	QUAD
处于峰值回流温度下的最长时间：	40	宽度：	4 mm
最小 fmax：	25 MHz	Base Number Matches：	1

CAT4016HV6-T2 数据手册

CAT4016

BLOCK DIAGRAM

LED1 LED2 LED3

LED16

VDD

VIN

CURRENT

SINKS

RSET

GND

Current

Setting

BLANK

LATCH

1.2V Ref

LATCHES

L16

S16

SHIFT

SOUT

SIN

CLK

Figure 2. CAT4016 Functional Block Diagram

BASIC OPERATION

The CAT4016 uses 16 tightly matched current sinks to

accurately regulate the LED current in each channel.

The external resistor, R_SET, is used to set the LED

Pull-up and pull-down resistors are internally provided

to set the state of the BLANK and LATCH pins to the

off-state when not externally driven.

channel current to 50 times the current in R_SET

SERIAL INTERFACE

1.2

A high-speed serial 4-wire interface is provided to

program the state of each LED on or off. The

interface contains a 16-bit serial to parallel shift

LEDcurrent = 50×

R_SET

Tight current regulation for all channels is possible

over a wide range of input and LED voltages due to

independent current sensing circuitry on each

channel. The LED channels have a maximum dropout

of 0.4V for most current and supply voltage

conditions. This helps improve the heat dissipation

and efficiency of the LED driver.

a 16-bit latch (L1-L16).

Programming the serial to parallel register is

accomplished via SIN and CLK input pins. On each

rising edge of the CLK signal, the data from SIN is

moved through the shift register serially. Data is also

moved out of SOUT which can be connected to a next

device if programming more then one device on the

same interface.

Upon power-up, an under-voltage lockout circuit

clears all latches and shift registers and sets all

outputs to off. Once the under-voltage lockout

threshold has been reached the device can be

programmed.

On the rising edge of LATCH, the data contents of the

serial to parallel shift register is reflected in the

latches. On the falling edge of LATCH, the state of the

serial to parallel register at that particular time is

saved in the latches and does not change irrespective

of the contents of the serial to parallel register.

The driver delays the activation of each consecutive

LED output channel by 17ns (typical). Relative to

LED1, LED2 is delayed by 17ns, LED3 by 34ns and

LED16 by 250ns typical. The delay is introduced when

LATCH is activated. The delay minimizes the inrush

current on the LED supply by staggering the turn on

and off current spikes over a period of time and

therefore allowing usage of smaller bypass capacitors.

BLANK is used to disable all LEDs (turn off)

simultaneously while maintaining the same data in the

latch register. When low, the LED outputs reflect the

data in the latches. When high, all outputs are high

impedance (zero current).

Characteristics subject to change without notice

Doc. No. MD-5028 Rev. B

1...6 7 8910 11 12...15

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CAT4016VSR-G	ONSEMI	IC,LASER DIODE/LED DRIVER,SSOP,24PIN,PLASTIC	获取价格
CAT4016VSR-GT2	ONSEMI	IC,LASER DIODE/LED DRIVER,SSOP,24PIN,PLASTIC	获取价格
CAT4016VSR-T2	ONSEMI	16-Channel Constant Current LED Driver	获取价格

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