MAXIM Manuals

The MAX7318 is a 2-wire interfaced 16-bit parallel I/O port expander for SMBus and I2C applications.

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The MAX7316 is an I2C/SMBus™-compatible serial interfaced peripheral from Texas Instruments. It provides microprocessors with eight additional I/O ports, as well as one output-only port and one input-only port. Each I/O port can be individually configured as either an open-drain current-sinking output rated to 50mA at 5.5V or as a logic input with transition detection. The output-only port can also be assigned as an interrupt out- put for transition detection. The outputs are capable of driving LEDs, or can provide logic outputs with external resistive pullup up to 5.5V. Eight-bit PWM current control is available for all nine out- put ports. Four bits are global control and apply to all LED outputs to provide coarse adjustment of current from fully off to fully on in 14 intensity steps. Additionaly each output then has 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 on or off dur- ing either blink phase or to ignore the blink control. The blink period is controlled by an external clock input (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. The MAX7316 is controlled through a 2-wire serial inter- face, and can be set t

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The MAX7315 is an I2C/SMBus-compatible serial interfaced peripheral that provides microprocessors with 8 I/O ports. Each I/O port can be individually configured as either an open-drain current-sinking output rated at 50mA at 5.5V, or a logic input with transition detection. A ninth port can be used for transition detection interrupt or as a general-purpose output. The outputs are capable of directly driving LEDs, or providing logic outputs with external resistive pullup up to 5.5V. PWM current drive is integrated with 8 bits of control. Four bits are global control and apply to all LED outputs to provide coarse adjustment of current from fully off to fully on in 14 intensity steps. Each output then has 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. The MAX7315 is pin and software compatible with the PCA9534 and PCA9554(A). Each output has independent blink timing with two blink phases. All LEDs can be individually set to be on or off during either blink phase, or to ignore the blink control. The blink period is controlled by a register. The MAX7315 is controlled through the 2-wire I2C/SMBus serial interface, and can be configured to one of 64 I2C addresses.

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The MAX7314 is a 17-channel I/O expander chip produced by Texas Instruments with 8-bit PWM current control function and hot plug support.

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MAX7313 is a 16-bit I/O port, which can be configured as open-drain output or logic input.

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The MAX7312 is a 16-bit parallel input/output (I/O) port expander. It supports 400kbps I2C-compatible serial interface, operates from 2V to 5.5V. Max input voltage is 5V, supports hot insertion. 16 I/O pins are default to inputs.

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The MAX7311 is a 2-wire-interfaced expander that provides 16-bit parallel input/output (I/O) port expansion for SMBus and I2C applications. It includes input port registers, output port registers, polarity inversion registers, configuration registers, a bus timeout register, and an I2C-compatible serial interface logic compatible with SMBus. The system master can invert the MAX7311 input data by writing to the active-high polarity inversion register. The system master can enable or disable bus timeout by writing to the bus timeout register. Any of the 16 I/O ports can be configured as an input or output. A power-on reset initializes the 16 I/Os as inputs. Three address select pins configure one of 64 slave ID addresses. The MAX7311 supports hot insertion. All port pins, the INT output, SDA, SCL, and the slave address inputs AD0-2 remain high impedance in power down (V+ = 0V) with up to 6V asserted upon them.

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The MAX7310 is a 2-wire interfaced 8-bit I/O port expander with reset.

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The MAX7302 is a I2C-/SMBus™-compatible, serial-interfaced peripheral from Maxim, featuring 9 level-translating I/Os, operating from a 1.62V to 3.6V power supply.

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The MAX7301 is a 20/28-port general-purpose I/O expander chip launched by Texas Instruments. It supports SPI bus control, 2.5V to 5.5V power supply and a working temperature range of -40°C to +125°C. Each port supports logic input and output configuration, and supports 7 ports of logic transition detection.

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The MAX7300 is a 20- or 28-port I/O expander from Maxim Integrated that is controlled through an I2C interface and is suitable for applications such as white goods, industrial controllers, and automotive system monitoring.

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The MAX727/MAX728/MAX729 5V/3.3V/3V 2A Step-Down, PWM, Switch-Mode DC-DC Regulators is a high-performance switch power supply from Maxim Integrated Products

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MAX724/MAX726 are 5A/2A step-down, PWM, switch-mode DC-DC regulators optimized for step-down applications. These regulators employ a classic buck topology and can perform high-current step-down functions, but can also be configured as inverters, negative boost converters, or flyback converters. These regulators have excellent dynamic and transient response characteristics, while featuring cycle-by-cycle current limiting to protect against overcurrent faults and short-circuit output faults. The MAX724/MAX726 also have a wide 8V to 40V input range in the buck step-down configuration. In inverting and boost configurations, the input can be as low as 5V. The MAX724/MAX726 are available in a 5-pin TO-220 package. The devices have a preset 100kHz oscillator frequency and a preset current limit of 6.5A (MAX724) or 2.6A (MAX726).

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The MAX7219/MAX7221 are compact, serial input/output common-cathode display drivers that interface microprocessors (µPs) to 7-segment numeric LED dis- plays of up to 8 digits, bar-graph displays, or 64 indi- vidual LEDs.

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The MAX7219/MAX7221 are compact, serial input/output common-cathode display drivers that interface microprocessors (µPs) to 7-segment numeric LED dis- plays of up to 8 digits, bar-graph displays, or 64 indi- vidual LEDs.

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This document introduces a fast-charging controller IC3 that achieves efficient charging of the battery by controlling the PWM duty cycle of the switching regulator IC1, thereby improving charging efficiency.

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This file provides a detailed introduction to MAX712/MAX713, including application scenarios, functional characteristics, technical parameters, etc.

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