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参数资料
| 型号： | MAX6964AEG+ |
| 厂商： | Maxim Integrated |
| 文件页数： | 16/23页 |
| 文件大小： | 0K |
| 描述： | IC LED DRIVER LINEAR 24-QSOP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 50 |
| 拓扑： | 开路漏极，PWM |
| 输出数： | 17 |
| 内部驱动器： | 是 |
| 类型 - 主要： | 背光，LED 闪烁器 |
| 类型 - 次要： | RGB，白色 LED |
| 频率： | 400kHz |
| 电源电压： | 2 V ~ 3.6 V |
| 输出电压： | 7V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 24-SSOP（0.154"，3.90mm 宽） |
| 供应商设备封装： | 24-QSOP |
| 包装： | 管件 |
| 工作温度： | -40°C ~ 125°C |
17-Output LED Driver/GPO with
Intensity Control and Hot-Insertion Protection
For example, to operate a 2.2V red LED at 14mA from a
5V supply, R LED = (5 - 2.2 - 0.25) / 0.014 = 182 ? .
2V TO 3.6V
Driving Load Currents Higher than 50mA
The MAX6964 can be used to drive loads drawing
0.047 μ F
5V
more than 50mA, like relays and high-current white
LEDs, by paralleling outputs. Use at least one output
per 50mA of load current; for example, a 6V 330mW
relay draws 55mA and needs two paralleled outputs to
drive it. Ensure that the paralleled outputs chosen are
controlled by the same blink phase register, i.e., select
outputs from the O0 through O7 range, or the O8
through O15 range. This way, the paralleled outputs
are turned on and off together. Do not use output O16
as part of a load-sharing design. O16 cannot be
μ C
SDA
SCL
I/O
I/O
V+
SDA
SCL
BLINK
RST
AD0
MAX6964
O0
O1
O2 MMTBT4148
O3
O4
O5
O6
O7
O8
O9
switched at the same time as any of the other outputs
because it is controlled by a different register.
The MAX6964 must be protected from the negative
voltage transient generated when switching off induc-
tive loads, such as relays, by connecting a reverse-
O10
O11
O12
O13
O14
biased diode across the inductive load (Figure 19). The
GND
O15
peak current through the diode is the inductive load’s
operating current.
Figure 19. Diode-Protected Switching Inductive Load
Table 9. PWM Intensity Settings (Blink Disabled)
OUTPUT
(OR
GLOBAL)
INTENSITY
PWM DUTY CYCLE
OUTPUT BLINK PHASE 0
REGISTER BIT = 0
LED BEHAVIOR WHEN
OUTPUT BLINK PHASE 0
REGISTER BIT = 0
(LED IS ON WHEN
PWM DUTY CYCLE
OUTPUT BLINK PHASE 0
REGISTER = 1
LED BEHAVIOR WHEN
OUTPUT BLINK PHASE 0
REGISTER BIT = 1
(LED IS ON WHEN
SETTING
0x0
0x1
0x2
0x3
0x4
0x5
0x6
0x7
0x8
0x9
0xA
0xB
0xC
0xD
0xE
0xF
LOW TIME
1/16
2/16
3/16
4/16
5/16
6/16
7/16
8/16
9/16
10/16
11/16
12/16
13/16
14/16
15/16
Static low
HIGH TIME
15/16
14/16
13/16
12/16
11/16
10/16
9/16
8/16
7/16
6/16
5/16
4/16
3/16
2/16
1/16
Static low
OUTPUT IS LOW)
Lowest PWM intensity
Highest PWM intensity
Full intensity, no PWM
(LED on continuously)
LOW TIME
15/16
14/16
13/16
12/16
11/16
10/16
9/16
8/16
7/16
6/16
5/16
4/16
3/16
2/16
1/16
Static high
impedance
HIGH TIME
1/16
2/16
3/16
4/16
5/16
6/16
7/16
8/16
9/16
10/16
11/16
12/16
13/16
14/16
15/16
Static high
impedance
OUTPUT IS LOW)
Highest PWM intensity
Lowest PWM intensity
LED off continuously
16
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX6964AEG+ | 功能描述:LED显示驱动器 17-Output LED Driver/GPO RoHS:否 制造商:Micrel 数位数量:5 片段数量: 安装风格:SMD/SMT 封装 / 箱体:PLCC-44 工作电源电压:4.75 V to 11 V 最大电源电流:10 mA 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装:Tube |
| MAX6964AEG+T | 功能描述:LED显示驱动器 17-Output LED Driver/GPO RoHS:否 制造商:Micrel 数位数量:5 片段数量: 安装风格:SMD/SMT 封装 / 箱体:PLCC-44 工作电源电压:4.75 V to 11 V 最大电源电流:10 mA 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装:Tube |
| MAX6964AEG-T | 功能描述:LED显示驱动器 17-Output LED Driver/GPO RoHS:否 制造商:Micrel 数位数量:5 片段数量: 安装风格:SMD/SMT 封装 / 箱体:PLCC-44 工作电源电压:4.75 V to 11 V 最大电源电流:10 mA 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装:Tube |
| MAX6964ATG | 功能描述:LED显示驱动器 17-Output LED Driver/GPO RoHS:否 制造商:Micrel 数位数量:5 片段数量: 安装风格:SMD/SMT 封装 / 箱体:PLCC-44 工作电源电压:4.75 V to 11 V 最大电源电流:10 mA 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装:Tube |
| MAX6964ATG+ | 功能描述:LED显示驱动器 17-Output LED Driver/GPO RoHS:否 制造商:Micrel 数位数量:5 片段数量: 安装风格:SMD/SMT 封装 / 箱体:PLCC-44 工作电源电压:4.75 V to 11 V 最大电源电流:10 mA 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装:Tube |
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