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参数资料
| 型号： | MAX16816ATJ+T |
| 厂商： | Maxim Integrated |
| 文件页数： | 19/33页 |
| 文件大小： | 0K |
| 描述： | IC LED DRIVR HIGH BRIGHT 32-TQFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 拓扑： | PWM，SEPIC，降压（降压），升压（升压） |
| 输出数： | 1 |
| 内部驱动器： | 是 |
| 类型 - 主要： | 车载 |
| 类型 - 次要： | 高亮度 LED（HBLED） |
| 频率： | 125kHz ~ 500kHz |
| 电源电压： | 5.5 V ~ 76 V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 32-WFQFN 裸露焊盘 |
| 供应商设备封装： | 32-TQFN-EP（5x5） |
| 包装： | 带卷 (TR) |
| 工作温度： | -40°C ~ 125°C |
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Programmable Switch-Mode LED Driver
with Analog-Controlled PWM Dimming
FAULT 1-Wire Interface
The MAX16816 features a FAULT output multiplexed
with a 1-Wire programming interface. Once the voltage
at UVEN exceeds the UVLO threshold, the device is
enabled and FAULT will pulse low once, indicating the
beginning of the programming window. Two program-
ming mode entry codes must be entered within 8ms
after the pulse to enter programming mode (see Table
1). The MAX16816 will register the second entry code
only after the first code has been received. Once the
MAX16816 successfully enters programming mode, the
data and clock for the 1-Wire interface are supplied
through FAULT .
Once the programming window has passed, the EEPROM
is no longer accessible without cycling power to the
Table 1. Programming Mode Entry Codes
device. Under these conditions, FAULT will go low only
when a fault (overvoltage, overcurrent, or HICCUP mode)
occurs or when the supply voltage drops below the UVLO
threshold.
EEPROM and Programming
Nonvolatile EEPROM is available to configure the
MAX16816 through a 1-Wire serial interface. Registers
are located in a linear address space as shown in
Table 2. All other EEPROM locations are reserved.
Configure the six control registers to adjust parameters
including the REG2 voltage, soft-start durations, blank-
ing time, LED load current (binning), slope compensa-
tion, and to enable/disable the RTOF oscillator. See the
1-Wire Interface section for more information about
1-Wire programming.
PROGRAMMING MODE
ENTRY CODE
PASS_CODE_1
PASS_CODE_2
D7
0
0
D6
0
0
D5
1
0
D4
0
0
D3
1
1
D2
0
0
D1
0
0
D0
1
1
HEX
CODE
29h
09h
Table 2. EEPROM Memory Map
REGISTER
Binning Adjustment (BIN)
REG2 Control (DRPS)
Blanking Time Adjustment (BLNK)
EEPROM
ADDRESS
RANGE
24h–27h
28h–2Bh
32h–33h
NO. OF
BITS
4
4
2
TYPE
R/W
R/W
R/W
DESCRIPTION
Adjusts the LED current.
Sets the output voltage for REG2. Connect REG2 to DRI
to supply the high-side voltage for the gate driver, DRV.
Adjusts the blanking time for debouncing.
Adjusts the soft-start duration to allow the load current to
Digital Soft-Start Duration (SS)
34h–36h
2
R/W
ramp up in a controlled manner, minimizing output
overshoot.
Internal Oscillator
Enable/Disable (RTOF)
Slope Compensation (ESLP)
37h
38h–3Bh
1
4
R/W
R/W
Enables/disables the internal oscillator for stand-alone
operation or to synchronize with an external clock.
Adjusts the slope compensation for stability.
______________________________________________________________________________________
19
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX16816EVKIT+ | 功能描述:LED 照明开发工具 MAX16816 Eval Kit RoHS:否 制造商:Fairchild Semiconductor 产品:Evaluation Kits 用于:FL7732 核心: 电源电压:120V 系列: 封装: |
| MAX16818ATI+ | 功能描述:LED照明驱动器 1.5MHz 30A w/Rapid LED Current Pulsing RoHS:否 制造商:STMicroelectronics 输入电压:11.5 V to 23 V 工作频率: 最大电源电流:1.7 mA 输出电流: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:SO-16N |
| MAX16818ATI+T | 功能描述:LED照明驱动器 1.5MHz 30A w/Rapid LED Current Pulsing RoHS:否 制造商:STMicroelectronics 输入电压:11.5 V to 23 V 工作频率: 最大电源电流:1.7 mA 输出电流: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:SO-16N |
| MAX16818ETI+ | 功能描述:LED照明驱动器 1.5MHz 30A w/Rapid LED Current Pulsing RoHS:否 制造商:STMicroelectronics 输入电压:11.5 V to 23 V 工作频率: 最大电源电流:1.7 mA 输出电流: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:SO-16N |
| MAX16818ETI+T | 功能描述:LED照明驱动器 1.5MHz 30A w/Rapid LED Current Pulsing RoHS:否 制造商:STMicroelectronics 输入电压:11.5 V to 23 V 工作频率: 最大电源电流:1.7 mA 输出电流: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:SO-16N |
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