MAX1607ETB+TG38

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Introduction

MAX1607ETB+TG38 is a range of integrated power distribution switches, load drivers and configurable power management controllers from Maxim Integrated[1]. It provides a versatile, configurable and optimized power delivery solution (PDs) for power-hungry multi-load applications. The MAX1607ETB+TG38 is comprised of 16 switches, 4 load drivers, 16 current monitors, and 4 configurable power controllers implemented in a single IC. It offers differential voltage monitoring, per-load power monitoring, wide-input voltage range, and circuit-level Fault protection features.

Application Field

The MAX1607ETB+TG38 is designed for various applications including portable, industrial, and automotive. It is suited for battery-powered applications that require optimum power management and efficient real-time monitoring of high-current events. Notable applications in which this device is ideal include terminals, fingerprint scanners, scanners, displays, security systems, and medical equipment.

Working Principle

The working principle of MAX1607ETB+TG38 is based on the four key elements of power distribution switches, load drivers, current monitors, and configurable power controllers. The power distribution switches allow multiple high-current loads to be powered and disabled simultaneously. The load drivers also help to provide full-bridge, half-bridge, or multiple load control and full- and half-duplex operating capability. The current monitors measure and monitor the load current for each load. This is helpful for detecting current overloads and providing load current data to the power controllers. Finally, the power controllers monitor the voltage supply lines and adjust the supply voltage for each load according to the incoming demand. This helps ensure that each load has the correct voltage for optimum stability.

The MAX1607ETB+TG38 also features active-discharge capabilities, which enable a rapid discharge of the output pin when the device is disabled. This helps to protect against damage due to voltage spikes and current overloads, and helps to reduce the total system power consumption. Moreover, the device includes a slew-rate-limiter which limits the rate of rise and fall of the switch outputs, protecting them from potential over-current or inrush-current conditions.

In addition, the MAX1607ETB+TG38 offers precision current and voltage sensing circuitry, allowing for tight control of the current and voltage supplied to the loads. The device is also ESD protected and includes thermal shutdown circuitry to protect it from over-temperature. Furthermore, the device supports multiple sleep modes to maximize power-efficiency when the system is idle.

Conclusion

In conclusion, the MAX1607ETB+TG38 is an integrated power distribution switch, load driver and configurable power management solution which makes power delivery more efficient and cost-effective for high-load applications. With its wide-input voltage range, differential voltage sensing capabilities, and slew-rate-limiting feature, the MAX1607ETB+TG38 ensures reliable and stable power delivery and protects against over-current and inrush-current conditions. It is a versatile PMIC which is ideal for a range of applications from portable to industrial, from automotive to medical.

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