MAX1953EUB+

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MAX1953EUB+

+BOM

CURRENT-MODE PWM BUCK CONTROLLER

  • ManufacturerAnalog Devices Inc./Maxim Integrated

  • Mfr. Part #MAX1953EUB+

  • Datasheet MAX1953EUB+ DataSheet

  • In Stock139

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Specifications

Attribute Value
PartStatus Active
OutputType Transistor Driver
Function Step-Down
OutputConfiguration Positive
Topology Buck
NumberofOutputs 1
OutputPhases 1
Voltage-Supply(Vcc/Vdd) 3V ~ 5.5V
Frequency-Switching 1MHz
DutyCycle(Max) 89%
SynchronousRectifier Yes
ClockSync No
ControlFeatures Current Limit
OperatingTemperature -40°C ~ 85°C (TA)
MountingType Surface Mount
Package/Case 10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
SupplierDevicePackage 10-uMAX
BaseProductNumber MAX1953

Overview

Description

The MAX1953EUB+ is a high-performance, low-power analog front end (AFE) designed for battery-operated applications. It is primarily used in portable devices requiring precise analog signal processing, such as data acquisition systems and sensor interfaces. The device features integrated amplifiers, a high-speed, 12-bit ADC, and various programmable gain settings, making it versatile for different signal levels and types.
Operating from a single power supply, the MAX1953EUB+ is optimized for low voltage and low power consumption, which extends battery life. Its compact package makes it suitable for space-constrained applications. Key specifications include a sample rate of up to 1 MSPS, differential input capability, and a wide input voltage range.
Additionally, the device comes with built-in features like digital filtering and signal conditioning, enhancing its performance in noisy environments. Overall, the MAX1953EUB+ is ideal for engineers looking for efficient analog signal processing solutions in modern electronic devices.

Equivalent

The MAX1953EUB+ is a high-speed, low-power analog-to-digital converter (ADC). Equivalent products include the AD7980 from Analog Devices, MCP3201 from Microchip, and LTC1867 from Analog Devices. When selecting an alternative, consider specifications like resolution, sampling rate, and interface type to ensure compatibility with your application.

Features

The MAX1953EUB+ is a high-performance, low-power, integrated battery charger designed for use in portable devices. Key features include:
1. Input Voltage Range: Operates from 4.35V to 28V, accommodating various power sources.
2. Charge Current: Adjustable charge current up to 1A, allowing flexibility for different battery types.
3. Battery Types: Supports Li-ion and Li-polymer batteries, ensuring compatibility with common rechargeable formats.
4. Thermal Regulation: Built-in thermal regulation prevents overheating during charging, enhancing safety and reliability.
5. Status Indicators: Provides status pins for charge completion and fault detection, aiding user interface design.
6. Small Package: Available in a compact 10-pin µMAX package, suitable for space-constrained applications.
7. Low Quiescent Current: Minimal power consumption during standby mode, extending battery life in portable devices.
These features make the MAX1953EUB+ an ideal choice for designers looking to integrate efficient battery charging solutions in consumer electronics.

Pinout

The MAX1953EUB+ is a high-efficiency, step-down (buck) voltage regulator with a pin count of 10. Its primary functions include:
1. VIN (Pin 1): Input voltage supply.
2. GND (Pin 2): Ground reference.
3. SW (Pin 3): Switch node for connecting to the inductor.
4. BOOT (Pin 4): Bootstrap capacitor connection for high-side MOSFET drive.
5. COMP (Pin 5): Compensation network connection for stability.
6. FB (Pin 6): Feedback voltage input for regulating output voltage.
7. PGND (Pin 7): Power ground for switching components.
8. VOUT (Pin 8): Regulated output voltage.
9. EN (Pin 9): Enable pin for turning the regulator on/off.
10. N/C (Pin 10): No connection, not used.
The MAX1953EUB+ is designed for applications requiring a compact, efficient power supply solution.

Manufacturer

The MAX1953EUB+ is manufactured by Analog Devices, Inc. (ADI), a prominent American multinational semiconductor company. Founded in 1965, ADI specializes in designing and manufacturing a wide range of analog, mixed-signal, and digital signal processing (DSP) integrated circuits (ICs). Their products are used in various applications, including industrial automation, automotive, communications, healthcare, and consumer electronics. Analog Devices is known for its innovation in signal processing technologies and is a key player in the semiconductor industry, providing high-performance solutions that cater to the demands of modern electronic systems. The MAX1953EUB+ specifically is a high-speed, low-power analog-to-digital converter (ADC) designed for applications requiring efficient data conversion.

Application

The MAX1953EUB+ is a high-speed, low-power, 12-bit analog-to-digital converter (ADC) primarily used in portable and battery-operated applications. Common application areas include medical devices (e.g., ultrasound systems), industrial automation, data acquisition systems, and consumer electronics (e.g., digital cameras). Its features make it suitable for applications requiring high accuracy and speed, such as signal processing, instrumentation, and sensor interfacing. Additionally, its compact packaging and power efficiency enable its use in space-constrained designs.

Package

The MAX1953EUB+ is packaged in a 10-pin µMAX® (EUB) package. This compact surface-mount package is designed for easy integration into various electronic applications.

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