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| 型号： | MAX7302ATE+T |
| 厂商： | Maxim Integrated |
| 文件页数： | 1/30页 |
| 文件大小： | 0K |
| 描述： | IC LED DRIVER LINEAR 16-TQFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 拓扑： | 开路漏极，PWM |
| 输出数： | 9 |
| 内部驱动器： | 是 |
| 类型 - 主要： | 背光，LED 闪烁器 |
| 类型 - 次要： | 白色 LED |
| 频率： | 1MHz |
| 电源电压： | 1.62 V ~ 3.6 V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-WFQFN 裸露焊盘 |
| 供应商设备封装： | 16-TQFN（3x3） |
| 包装： | 带卷 (TR) |
| 工作温度： | -40°C ~ 125°C |
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19-0749; Rev 1; 12/07
ATION
EVALU
AVAILA
KIT
BLE
SMBus/I 2 C Interfaced 9-Port,
Level-Translating GPIO and LED Driver with CLA
General Description
Features
The MAX7302
I 2 C-/SMBus?-compatible,
serial-interfaced
? 1.62V to 5.5V I/O Level-Translation Port Supply (V LA )
peripheral features 9 level-translating I/Os, and operates
from a 1.62V to 3.6V power supply. The MAX7302 fea-
tures a port supply V LA that allows level-translation on I/O
ports to operate from a separate power supply from 1.62V
to 5.5V. An address select input, AD0, allows up to four
unique slave addresses for the device.
The MAX7302 ports P2–P9 can be configured as inputs,
push-pull outputs, and open-drain outputs. Port P1 can
be configured as a general-purpose input, open-drain
output, or an open-drain INT output. Ports P2–P9 can be
configured as OSCIN and OSCOUT, respectively. Ports
P2–P9 can also be used as configurable logic arrays
(CLAs) to form user-defined logic gates, replacing exter-
nal discrete gates. Outputs are capable of sinking up to
25mA, and sourcing up to 10mA when configured as
push-pull outputs.
The MAX7302 includes an internal oscillator for PWM,
blink, and key debounce, or to cascade multiple
MAX7302s. The external clock can be used to set a spe-
cific PWM and blink timing. The RST input asynchronous-
ly clears the 2-wire interface and terminates a bus lockup
involving the MAX7302.
? 1.62V to 3.6V Power Supply
? 9 Individually Configurable GPIO Ports
P1 Open-Drain I/O
P2–P9 Push-Pull or Open-Drain I/Os
? Individual 33-Step PWM Intensity Control
? Blink Controls with 15 Steps on Outputs
? 1kHz PWM Period Provides Flicker-Free LED
Intensity Control
? 25mA (max) Port Output Sink Current (100mA
max Ground Current)
? Inputs Overvoltage Protected Up to 5.5V (V LA )
? Transition Detection with Optional Interrupt Output
? Optional Input Debouncing
? I/O Ports Configurable as Logic Gates (CLA)
? External RST Input
? Oscillator Input and Output Enable Cascading
Multiple Devices
? Low 0.75 μ A (typ) Standby Current
Ordering Information
All ports configured as an output feature a 33-step PWM,
allowing any output to be set from fully off, 1/32 to 31/32
duty cycle, to fully on. All output ports also feature LED
PART
MAX7302AEE+
TEMP RANGE
-40°C to +125°C
PIN-
PACKAGE
16 QSOP
PKG
CODE
E16-4
blink control, allowing blink periods of 1/8s, 1/4s, 1/2s, 1s,
2s, 4s, or 8s. Any port can blink during this period with a
1/16 to 15/16 duty cycle.
The MAX7302 is specified over the -40°C to +125°C
MAX7302ATE+ -40°C to +125°C
+ Denotes lead-free package.
* EP = Exposed paddle.
16 TQFN-EP*
(3mm x 3mm)
T1633-4
temperature range and is available in 16-pin QSOP and
16-pin TQFN (3mm x 3mm) packages.
Applications
Typical Operating Circuit
Cell Phones
+1.8V
+4.5V
Servers
System I/O Ports
LCD/Keypad Backlights
μ C
SDA
V DD
SDA
V LA
LED Status Indicators
SCL
RST
SCL
RST
MAX7302
P2
INT
P1/INT
P3
P4
P5
P6
P7
P8
1.8V OPEN-DRAIN OUTPUT
4.5V PUSH-PULL OUTPUT
4.5V LOGIC INPUT
3.3V LOGIC INPUT
Pin Configurations appear at end of data sheet.
ADO
GND
P9
2.5V LOGIC INPUT
SMBus is a trademark of Intel Corp.
________________________________________________________________ Maxim Integrated Products
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,
or visit Maxim's website at www.maxim-ic.com.
1
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| MAX7304 | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:I2C-Interfaced 16-Port, Level-Translating GPIO and LED Driver with High Level of Integrated |
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| MAX7304ATG+T | 制造商:Maxim Integrated Products 功能描述:IC-INTERFACED 16-PORT, LEVEL-TRANSLATING GPIO AND LED DRIVER - Tape and Reel 制造商:Maxim Integrated Products 功能描述:IC LED DRVR LINEAR 24TQFN |
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