Datasheet > MAX7360_V01

MAX7360_V01

更新时间： 2024-09-18 02:52:27

品牌	Logo	应用领域
美信 - MAXIM		/
页数	文件大小	规格书
32页	894K
描述
I 2C-Interfaced Key-Switch Controller and LED Driver/GPIOs with Integrated ESD Protection

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MAX7360_V01 数据手册

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MAX7360

I C-Interfaced Key-Switch Controller and LED

Driver/GPIOs with Integrated ESD Protection

General Description

Features

● Integrated ESD Protection

The MAX7360 I C-interfaced peripheral provides

microprocessors with management of up to 64 key

switches, with an additional eight LED drivers/GPIOs

that feature constant-current, PWM intensity control, and

rotary switch control options.

• ±8kV IEC 61000-4-2 Contact Discharge

• ±15kV IEC 61000-4-2 Air-Gap Discharge

● +14V Tolerant, Open-Drain I/O Ports Capable of

Constant-Current LED Drive

The key-switch drivers interface with metallic or resistive

switches with on-resistances up to 5kΩ. Key inputs are

monitored statically, not dynamically, to ensure low-

EMI operation. The MAX7360 features autosleep and

autowake modes to further minimize the power consumption

of the device. The autosleep feature puts the device in a

low-power state (1µA, typ) after a sleep timeout period.

The autowake feature configures the MAX7360 to return

to normal operating mode from sleep upon a keypress.

● Rotary Switch-Capable Input Pair (PORT6, PORT7)

● 256-Step PWM Individual LED Intensity Control

● Individual LED Blink Rates and Common LED

Fade In/Out Rates from 256ms to 4096ms

● FIFO Queues Up to 16 Debounced Key Events

● User-Configurable Key Debounce (9ms to 40ms)

● Keyscan Uses Static Matrix Monitoring for Low

EMI Operation

● +1.62V to +3.6V Operation

● Monitors Up to 64 Keys

The key controller debounces and maintains a FIFO of

keypress and release events (including autorepeat, if

enabled). An interrupt (INTK) output can be configured to

alert keypresses, as they occur, or at maximum rate.

● Key-Switch Interrupt (INTK) on Each Debounced

Event/FIFO Level, or End of Definable Time Period

● Port Interrupt (INTI) for Input Ports for Special-Key

There are eight open-drain I/O ports, which can be used

to drive LEDs. The maximum constant-current level for

each open-drain port is 20mA. The intensity of the LED

on each open-drain port can be individually adjusted

through a 256-step PWM control. An input port pair

(PORT6, PORT7) can be configured to accept 2-bit gray

code inputs from a rotary switch. In addition, if not used

for key-switch control, up to six column pins can be used

as general-purpose open-drain outputs (GPOs) for LED

drive or logic control.

Functions

● 400kbps, +5.5V Tolerant 2-Wire Serial Interface

with Selectable Bus Timeout

● Four I C Address Choices

Ordering Information

PART

TEMP RANGE

-40°C to +85°C

PIN-PACKAGE

40 TQFN-EP*

36 WLP

MAX7360ETL+

MAX7360EWX+

The MAX7360 is offered in a 40-pin (5mm x 5mm) thin

QFN package with an exposed pad, and a small 36-bump

wafer level package (WLP) for cell phones, pocket PCs,

and other portable consumer electronic applications. The

MAX7360 operates over the -40°C to +85°C extended

temperature range.

+Denotes a lead(Pb)-free/RoHS-compliant package.

*EP = Exposed pad.

Simpliﬁed Block Diagram

+1.8V

+14V

ROTARY

SWITCH

µC

Applications

● Cell Phones

● PDAs

● Handheld Games

● Portable Consumer Electronics

● Printers

SCL

SDA

INTI

INTK

PORT7

PORT6

MAX7360

PORT0

AD0

ROW_(8x)

COL_(8x)

● Instrumentation

8 x 8

19-4566; Rev 3; 7/19

12 3 4 5 6 7...32

中文翻译

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与MAX7360_V01相关器件

型号	品牌	获取价格	描述	数据表
MAX7360ETL+	MAXIM	获取价格	I2C-Interfaced Key-Switch Controller and LED Driver/GPIOs with Integrated ESD Protection
MAX7360ETL+T	MAXIM	获取价格	Switching Regulator,
MAX7360EWX+	MAXIM	获取价格	I2C-Interfaced Key-Switch Controller and LED Driver/GPIOs with Integrated ESD Protection
MAX7360EWX+T	MAXIM	获取价格	Switching Regulator
MAX7365EWA70+T	MAXIM	获取价格	Telecom Circuit, 1-Func, BICMOS, PBGA25, 2 X 2 MM, ROHS COMPLIANT, WLP-25
MAX7367	MAXIM	获取价格	4-Channel I2C Switches/Multiplexer
MAX7367	ADI	获取价格	4通道I2C开关/复用器
MAX7367_09	MAXIM	获取价格	4-Channel I2C Switches/Multiplexer
MAX7367EUP	MAXIM	获取价格	4-Channel I2C Switches/Multiplexer
MAX7367EUP+	MAXIM	获取价格	4-Channel I2C Switches/Multiplexer

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