MAX7313AEG+T

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MAX7313AEG+T

IC I/O EXPANDER I2C 16B 24QSOP

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Spezifikationen

Supplier Analog Devices Inc./Maxim Integrated
Package Tape & Reel (TR)
ProductStatus Active
NumberofI/O 16
Interface I²C, SMBus
InterruptOutput Yes
Features PWM
OutputType Open Drain
Current-OutputSource/Sink 50mA
ClockFrequency 400 kHz
Voltage-Supply 2V ~ 3.6V
OperatingTemperature -40°C ~ 125°C
MountingType Surface Mount
Package/Case 24-SSOP (0.154, 3.90mm Width)

Übersicht

Description

MAX7313AEG+T is an 8-channel, I2C-controlled LED driver and GPIO expander from Maxim Integrated. It provides eight outputs that can be used as either general-purpose I/O or current-limited LED drive channels, all programmable over the I2C bus. Key features include:
- I2C interface (master/slave operation) with a simple register map
- Configurable pin direction, polarity, and optional interrupt output
- Individual LED drive current control (per-channel)
- Low-power/shutdown mode for power savings
- Flexible operating voltage compatible with common MCU logic levels
The “+T” suffix indicates tape-and-reel packaging, and “AEG” is the package code. Typical uses: expanding I/O for microcontrollers, driving status indicators or keypad/backlight LEDs, and small LED display applications. For exact electrical specs, timing, and the full register map, refer to the MAX7313 datasheet. If you want, I can summarize the key registers or provide guidance on a typical hookup.

Features

Concise features of MAX7313AEG+T (LED driver IC):
- 8 constant-current LED sink outputs for driving LEDs
- I2C/SMBus-compatible serial interface with configurable address
- Programmable LED current per channel; global brightness control and per-channel dimming
- Hardware address pins for multi-device bus (up to 8 devices on a bus)
- Protection: undervoltage lockout, thermal shutdown, current limit, LED open/short detection
- Low power consumption with rapid serial write capability
- Wide operating voltage range (typical 2.7V–5.5V)
- Packaging: AEG (28-pin) with Tape & Reel (T) option
Note: exact current ranges, register maps, and timing are per the MAX7313 datasheet; consult for precise values and programming.

Package

20-pin TSSOP (Thin Shrink Small-Outline Package), Tape & Reel delivery.

Pinout

- Pin count: 20 pins (TSSOP-20, AEG package; +T = Tape & Reel)
- Function: 8‑bit I/O expander for I2C/SMBus. Provides eight bidirectional I/O pins (P0–P7), I2C interface (SCL, SDA), 3 address lines (A0–A2), plus V+, GND, RESET, and INT.

Manufacturer

- Manufacturer: Maxim Integrated Products, now part of Analog Devices, Inc. (ADI).
- What kind of company: A multinational semiconductor company that designs and manufactures analog, mixed-signal, and related integrated circuits.

Application

Application areas for MAX7313AEG+T include:
- I2C-controlled 8-channel LED driver for 7‑segment/alphanumeric displays and backlighting
- LED indicators and panel lighting in consumer electronics
- Digital signage and display panels
- Automotive instrument clusters and dashboard indicators
- Industrial/instrumentation control panels and meters
- General-purpose LED drive with current regulation in compact, low-power systems
(Prime use: compact LED display/indicator driving with I2C control.)

Equivalent

Equivalent parts (8‑bit I2C I/O expanders): Microchip MCP23008; NXP PCF8574/PCF8574A; NXP TCA9534. These provide similar 8-bit I/O expansion over I2C. When replacing, verify I2C address map, IO type (quasi‑bidirectional vs open‑drain), voltage levels, and package options.

Versand

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Zahlungen

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