MAX7306AUB+ by Analog Devices

SMBus/I²C Interfaced 4-Port, Level-Translating GPIOs and LED Drivers

Status: Active
Series: MAX7306
RoHS: Unknown
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The MAX7306/MAX7307 I²C-/SMBus™-compatible, serial-interfaced peripherals feature four level-translating I/Os and operate from a 1.62V to 3.6V power supply. The MAX7307 features a port supply (VLA) that allows level translation on I/O ports to operate from a separate power supply from 1.4V to 5.5V. The MAX7306 features an address select input (AD0) to allow up to four unique slave addresses. The MAX7306/MAX7307 ports P2, P3, and P4 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 active-low INT output. Ports P2 and P3 can be configured as OSCIN and OSCOUT, respectively. The MAX7306/MAX7307 include an internal oscillator for PWM, blink, and key debounce, or to cascade multiple MAX7306/MAX7307s. The external clock can be used to set a specific PWM and blink timing. The active-low RST input asynchronously clears the 2-wire interface and terminates a bus lockup involving the MAX7306/MAX7307. All ports configured as output feature 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 blink control, allowing blink periods of 1/8 second, 1/4 second, 1/2 second, 1, 2, 4, or 8 seconds. Any port can blink during this period with a 1/16 to 15/16 duty cycle. The MAX7306/MAX7307 are specified over the -40°C to +125°C temperature range and are available in 10-pin µDFN (2mm x 2mm) and 10-pin µMAX® packages.

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Features

1.4V to 5.5V I/O Level Translation Port Supply (VLA)
1.62V to 3.6V Power Supply
Four Individually Configurable GPIO Ports P1 = Open-Drain I/O P2, P3, P4 = Push-Pull or Open-Drain I/O
P1 = Open-Drain I/O
P2, P3, P4 = Push-Pull or Open-Drain I/O
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 (VLA)
Transition Detection with Optional Interrupt Output
Optional Input Debouncing
Active-Low RST Input Clears Serial Interface, Can Restore Power-Up Default State, and Synchronizes Blink Timing
Oscillator Input and Output Enables Cascading Multiple Devices
Low 0.75µA (typ) Standby Current

Specifications

Inputs 4
Interface Serial - I2C CompatibleSerial 2-Wire 400kbit
Outputs 4
I/O 4
Reset Input Yes
Interrupt Output Yes
Over Voltage Protection (V) 5.5
Drive Current (mA) 25
VSUPPLY (V) (min) 1.62
VSUPPLY (V) (max) 3.6
Package/Pins UDFN/10UMAX/10
BudgetaryPrice (See Notes) 0

Last 6 months Inventory & Pricing History

MAX7306AUB+ LED Driver ICs by Analog Devices

LEVEL TRANSLATING GPIO/LED DRIV UMAX-10

LED Lighting Components>LED Driver ICs>LED Drivers
Status: Unknown
Series: -
RoHS: Unknown
Download Datasheet Visit Manufacturer Site View Pricing & Stock

Specifications

IC Function Level Translating GPIO & LED Driver
Supply Voltage Min 1.62V
Supply Voltage Max 3.6V
IC Package Type µMAX
No. of Pins 10Pins
Operating Temperature Min -40°C
Operating Temperature Max 125°C
Product Range -
Automotive Qualification Standard -
RoHS Phthalates Compliant To Be Advised
MSL MSL 1 - Unlimited

Last 6 months Inventory & Pricing History

Alternative Descriptions

LEVEL TRANSLATING GPIO/LED DRIV, UMAX-10 | Farnell
SMBus/I²C Interfaced 4-Port, L | Analog Devices

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Is the MAX7306AUB+ RoHS compliant?

This part has not been flagged as RoHS Compliant.

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