MAX6965
9-Output LED Driver with Intensity Control and Hot-Insertion Protection
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9-Output LED Driver with Intensity Control and Hot-Insertion Protection has 240-Step Brightness Control and 2-Phase Blink
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Features
- 400kbps, 2-Wire Serial Interface, 5.5V Tolerant
- 2V to 3.6V Operation
- Overall 8-Bit PWM LED Intensity Control
- Global 16-Step Intensity Control
- Plus Individual 16-Step Intensity Controls
- Two-Phase LED Blinking
- High Port Output Current—Each Port 50mA (max)
- Active-Low RST Input Clears Serial Interface and Restores Power-Up Default State
- Supports Hot Insertion
- Outputs are 7V-Rated Open Drain
- Low Standby Current (1.2µA (typ), 3.3µA (max))
- Tiny 3mm x 3mm, Thin QFN Package
- -40°C to +125°C Temperature Range
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The MAX6965 I²C-compatible serial interfaced peripheral provides microprocessors with nine additional output ports. Each output is an open-drain current-sinking output rated to 50mA at 7V. All outputs are capable of driving LEDs, or providing logic outputs with external resistive pullup up to 7V.
Eight-bit PWM current control is also integrated. Four of the bits are global control and apply to all LED outputs to provide coarse adjustment of current from fully off to fully on with 14 intensity steps. Additionally each output then has an individual 4-bit control, which further divides the globally set current into 16 more steps. Alternatively, the current control can be configured as a single 8-bit control that sets all outputs at once.
Each output has independent blink timing with two blink phases. LEDs can be individually set to be either on or off during either blink phase, or to ignore the blink control. The blink period is controlled by an external clock (up to 1kHz) on BLINK or by a register. The BLINK input can also be used as a logic control to turn the LEDs on and off, or as a general-purpose input (GPI).
The MAX6965 supports hot insertion. The SDA, SCL, active-low RST, BLINK, and the slave address input AD0 remain high impedance in power-down (V+ = 0V) with up to 6V asserted upon them. The output ports remain high impedance with up to 8V asserted upon them.
The MAX6965 is controlled through a 2-wire I²C serial interface, and can be configured to one of four I²C addresses.
Applications
- Keypad Backlights
- LCD Backlights
- LED Status Indication
- RGB LED Drivers
Ask a Question
Submit your question below and we will return the best answer from ADI’s knowledge database:
Search
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Support
Analog Devices Support Portal is a one-stop shop to answer all your ADI questions.
Visit the ADI Support Page
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MAX6965
Documentation
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ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal. View our quality and reliability program and certifications for more information.
| Part Model | Pin/Package Drawing | Documentation | CAD Symbols, Footprints, and 3D Models |
|---|---|---|---|
| MAX6965AEE+ |
16-QSOP-150_MIL
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| MAX6965AEE+T |
16-QSOP-150_MIL
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| MAX6965ATE+ |
Thin Quad Flatpack, No Leads
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| MAX6965ATE+T |
Thin Quad Flatpack, No Leads
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- MAX6965AEE+
- Pin/Package Drawing
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16-QSOP-150_MIL
- Documentation
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HTML
Material Declaration
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HTML
Reliablity Data
- CAD Symbols, Footprints, and 3D Models
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Ultra Librarian
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SamacSys
- MAX6965AEE+T
- Pin/Package Drawing
-
16-QSOP-150_MIL
- Documentation
-
HTML
Material Declaration
-
HTML
Reliablity Data
- CAD Symbols, Footprints, and 3D Models
-
Ultra Librarian
-
SamacSys
- MAX6965ATE+
- Pin/Package Drawing
-
Thin Quad Flatpack, No Leads
- Documentation
-
HTML
Material Declaration
-
HTML
Reliablity Data
- CAD Symbols, Footprints, and 3D Models
-
Ultra Librarian
-
SamacSys
- MAX6965ATE+T
- Pin/Package Drawing
-
Thin Quad Flatpack, No Leads
- Documentation
-
HTML
Material Declaration
-
HTML
Reliablity Data
- CAD Symbols, Footprints, and 3D Models
-
Ultra Librarian
-
SamacSys
Filter by Model
Part Models
Product Lifecycle
PCN
Jan 24, 2019
- 1746N
ASSEMBLY
MAX6965AEE+
PRODUCTION
MAX6965AEE+T
PRODUCTION
Apr 9, 2018
- 1682
ASSEMBLY
MAX6965ATE+
PRODUCTION
MAX6965ATE+T
PRODUCTION
Jun 20, 2016
- 1612
ASSEMBLY
MAX6965ATE+
PRODUCTION
MAX6965ATE+T
PRODUCTION
Filter by Model
Part Models
Product Lifecycle
PCN
Jan 24, 2019
- 1746N
ASSEMBLY
Apr 9, 2018
- 1682
ASSEMBLY
Jun 20, 2016
- 1612
ASSEMBLY
Software & Part Ecosystem
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2-Wire-Interfaced 8-Bit I/O Port Expander with Reset |
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2-Wire-Interfaced 16-Bit I/O Port Expander with Interrupt and Hot-Insertion Protection |
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2-Wire-Interfaced 16-Bit I/O Port Expander with Interrupt and Hot-Insertion Protection |
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16-Port I/O Expander with LED Intensity Control, Interrupt, and Hot-Insertion Protection |
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10-Port SPI-Interfaced I/O Expander with Overvoltage and Hot-Insertion Protection |
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2-Wire-Interfaced, 16-Bit, I/O Port Expander with Interrupt and Hot-Insertion Protection |
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Display Driver Electronics3 |
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17-Output LED Driver/GPO with Intensity Control and Hot-Insertion Protection |
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PRODUCTION |
2-Wire-Interfaced, 2.5V to 5.5V, 20-Port or 28-Port LED Display Driver and I/O Expander |
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4-Wire-Interfaced, 2.5V to 5.5V, 20-Port and 28-Port LED Display Driver and I/O Expander |
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Product1 |
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10-Port I/O Expander with LED Intensity Control, Interrupt, and Hot-Insertion Protection |
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Evaluation Kits 2
MAX6965EVKIT
Evaluation Kit/Evaluation System for the MAX6965
Product Detail
The MAX6965 evaluation kit (EV kit) is a fully assembled and tested circuit board that demonstrates the capabilities of the MAX6965 9-output LED driver with intensity control and hot-insertion protection. The MAX6965 EV kit also includes Windows® 98SE/2000/XP-compatible software, which provides a simple graphics user interface (GUI) for using the MAX6965's features.
The MAX6965 evaluation system (EV system) includes a MAX6965 EV kit and a Maxim CMAXQUSB serial-interface board.
The CMAXQUSB board connects to a PC's USB port and allows the transfer of I²C commands to the MAX6965 EV kit.
Applications
- Keypad Backlights
- LCD Backlights
- LED Status Indication
- RGB LED Drivers
MAX6965EVCMAXQU
Evaluation Kit/Evaluation System for the MAX6965
Product Detail
The MAX6965 evaluation kit (EV kit) is a fully assembled and tested circuit board that demonstrates the capabilities of the MAX6965 9-output LED driver with intensity control and hot-insertion protection. The MAX6965 EV kit also includes Windows® 98SE/2000/XP-compatible software, which provides a simple graphics user interface (GUI) for using the MAX6965's features.
The MAX6965 evaluation system (EV system) includes a MAX6965 EV kit and a Maxim CMAXQUSB serial-interface board.
The CMAXQUSB board connects to a PC's USB port and allows the transfer of I²C commands to the MAX6965 EV kit.
Applications
- Keypad Backlights
- LCD Backlights
- LED Status Indication
- RGB LED Drivers