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MAX1473EUI+
+BOMRF RX ASK 300MHZ-450MHZ 28TSSOP
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ManufacturerAnalog Devices Inc./Maxim Integrated
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Mfr. Part #MAX1473EUI+
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In Stock7297
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Specifications
| Attribute | Value |
| Part Status | Active |
| Frequency | 300MHz ~ 450MHz |
| Sensitivity | -114dBm |
| Data Rate (Max) | 100kbps |
| Modulation or Protocol | ASK |
| Applications | RKE, Telemetering, Security Technology |
| Current - Receiving | 5.8mA |
| Data Interface | PCB, Surface Mount |
| Antenna Connector | PCB, Surface Mount |
| Features | RSSI Equipped |
| Voltage - Supply | 3.3V, 5V |
| Operating Temperature | -40°C ~ 85°C |
| Mounting Type | Surface Mount |
| Package / Case | 28-TSSOP (0.173", 4.40mm Width) |
| Supplier Device Package | 28-TSSOP |
| Base Product Number | MAX1473 |
Overview
Description
Key features include an input voltage range of 2.7V to 5.5V, adjustable output voltage options, built-in thermal shutdown, and overcurrent protection. The step-down converter delivers high efficiency (up to 95%) at various load conditions, which is crucial for extending battery life.
Additionally, the MAX1473EUI+ offers a compact package, making it easy to integrate into space-constrained designs. Its versatility and performance make it a popular choice for engineers looking to optimize power management in their electronic designs.
Equivalent
Features
1. Dual Channel: Two independent switches for versatile signal routing.
2. Low On-Resistance: Typically 0.5Ω, minimizing signal loss and distortion.
3. Wide Bandwidth: Capable of handling frequencies up to 1.5GHz, suitable for high-speed signals.
4. Low Supply Voltage: Operates from a supply voltage of 1.8V to 5.5V, enhancing compatibility with low-voltage systems.
5. Low Power Consumption: Designed for battery-operated devices, with low quiescent current.
6. Fast Switching Speed: Provides quick response times, ensuring efficient signal control.
7. TTL-Compatible Inputs: Allows for easy interfacing with digital logic levels.
8. ESD Protection: Features integrated protection against electrostatic discharge.
These attributes make the MAX1473EUI+ ideal for applications requiring reliable signal switching with minimal power consumption.
Pinout
The main functions of the MAX1473EUI+ include:
1. Battery Charger: It features an integrated Li-ion battery charger with adjustable charging current.
2. Power Path Management: Allows simultaneous charging and powering of the load.
3. Load Sharing: Optimizes the power delivery from the battery and the charger.
4. Thermal Regulation: Protects the device from overheating during charging.
5. LED Indicators: Provides visual feedback on charging status.
Key pins include:
- VIN: Input supply voltage.
- BAT: Battery connection.
- VOUT: Output to load.
- GND: Ground connection.
- CHG: Charge status indicator.
- SW: Switching node for the charger.
This PMIC is suitable for portable devices, ensuring efficient battery management and power delivery.
Manufacturer
Maxim Integrated is known for its innovative approach and high-performance semiconductor solutions, offering a wide range of products such as power management ICs, amplifiers, sensors, and data converters. The company caters to a diverse customer base, providing essential components for a multitude of electronic devices and systems. In 2021, Maxim Integrated was acquired by Analog Devices, a global leader in data conversion and signal processing technology, further enhancing its capabilities and product offerings in the semiconductor industry.
Application
1. I2C/SPI Communication: Facilitating connections between devices operating at different voltage levels.
2. Microcontroller Interfacing: Enabling communication between microcontrollers and peripherals with varying supply voltages.
3. Sensor Integration: Connecting sensors that output signals at different voltage levels to processing units or microcontrollers.
4. Consumer Electronics: Ensuring compatibility between components in devices like smartphones, tablets, and wearables.
5. Automotive Systems: Supporting communication among diverse automotive sensors and controllers operating at different voltages.