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LTC4124EV#TRMPBF
+BOMIC BATT CHG LI-ION 1CELL 12LQFN
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ManufacturerAnalog Devices Inc.
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Mfr. Part #LTC4124EV#TRMPBF
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Datasheet LTC4124EV#TRMPBF DataSheet
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Package LQFN-12
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In Stock1925
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Specifications
| Attribute | Value |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| BatteryChemistry | Lithium Ion |
| NumberofCells | 1 |
| Current-Charging | Constant - Programmable |
| ProgrammableFeatures | Current, Voltage |
| ChargeCurrent-Max | 100mA |
| BatteryPackVoltage | 4.0V, 4.1V, 4.2V, 4.35V |
| Voltage-Supply(Max) | 5.5V |
| Interface | Wireless |
| OperatingTemperature | -20°C ~ 85°C (TJ) |
| MountingType | Surface Mount |
| Package/Case | 12-VFQFN Exposed Pad |
Overview
Description
The LTC4124EV#TRMPBF is a compact, efficient wireless power receiver and battery charger designed by Analog Devices. It is part of the LTC4124 series and is specifically tailored for low-power applications, offering a simplified solution for charging single-cell Li-Ion or Li-Polymer batteries wirelessly. The device integrates a full-featured, constant-current/constant-voltage (CC/CV) linear charger with automatic recharge, making it suitable for charging small batteries safely and efficiently.
Operating at a fixed frequency of 100 kHz, the LTC4124EV#TRMPBF provides an output current up to 50mA, which is ideal for applications such as wearables, medical devices, and other portable electronics. The receiver works with an external resonant tank circuit to capture power wirelessly from a transmitter.
The device features various safety mechanisms, including over-voltage protection and thermal regulation, ensuring reliable and safe operation. The compact design is packaged in a 6-lead, 2mm x 2mm DFN (Dual Flat No-leads) package, making it ideal for space-constrained designs.
Operating at a fixed frequency of 100 kHz, the LTC4124EV#TRMPBF provides an output current up to 50mA, which is ideal for applications such as wearables, medical devices, and other portable electronics. The receiver works with an external resonant tank circuit to capture power wirelessly from a transmitter.
The device features various safety mechanisms, including over-voltage protection and thermal regulation, ensuring reliable and safe operation. The compact design is packaged in a 6-lead, 2mm x 2mm DFN (Dual Flat No-leads) package, making it ideal for space-constrained designs.
Equivalent
The LTC4124EV#TRMPBF is a wireless power receiver and battery charger IC. For equivalent products, consider:
1. BQ51050B from Texas Instruments: a wireless power receiver with an integrated Li-Ion/Li-Polymer charger.
2. STWBC-WA from STMicroelectronics: a wireless battery charger IC.
3. MAX77950 from Maxim Integrated: a Qi-compliant wireless power receiver with an integrated charger.
These alternatives offer similar functionalities for wireless charging and battery management applications.
1. BQ51050B from Texas Instruments: a wireless power receiver with an integrated Li-Ion/Li-Polymer charger.
2. STWBC-WA from STMicroelectronics: a wireless battery charger IC.
3. MAX77950 from Maxim Integrated: a Qi-compliant wireless power receiver with an integrated charger.
These alternatives offer similar functionalities for wireless charging and battery management applications.
Features
The LTC4124EV#TRMPBF is a compact, wireless power receiver designed for efficient battery charging. Key features include:
1. Wireless Power Receiver: Enables contactless charging, which enhances durability and convenience by eliminating physical connectors.
2. High Efficiency: Offers efficient power transfer, which reduces energy loss during charging.
3. Battery Charging: Specifically designed to charge single-cell Li-Ion/Li-Polymer batteries.
4. Compact Design: Available in a small package that suits space-constrained applications.
5. Low Voltage Operation: Capable of operating with low input voltages, which is suited for battery-powered devices.
6. Thermal Regulation: Includes built-in thermal regulation to prevent overheating and ensure safety during charging.
7. User Configurability: Allows for setting charge current and voltage, providing flexibility for various battery types and sizes.
8. Protection Features: Equipped with features like over-voltage, over-current, and short-circuit protection to enhance reliability.
These features make the LTC4124EV#TRMPBF ideal for use in portable devices where efficient, wireless charging is desired.
1. Wireless Power Receiver: Enables contactless charging, which enhances durability and convenience by eliminating physical connectors.
2. High Efficiency: Offers efficient power transfer, which reduces energy loss during charging.
3. Battery Charging: Specifically designed to charge single-cell Li-Ion/Li-Polymer batteries.
4. Compact Design: Available in a small package that suits space-constrained applications.
5. Low Voltage Operation: Capable of operating with low input voltages, which is suited for battery-powered devices.
6. Thermal Regulation: Includes built-in thermal regulation to prevent overheating and ensure safety during charging.
7. User Configurability: Allows for setting charge current and voltage, providing flexibility for various battery types and sizes.
8. Protection Features: Equipped with features like over-voltage, over-current, and short-circuit protection to enhance reliability.
These features make the LTC4124EV#TRMPBF ideal for use in portable devices where efficient, wireless charging is desired.
Pinout
The LTC4124EV#TRMPBF is a wireless power receiver and linear battery charger IC. It comes in a 6-lead, 2mm x 2mm DFN package. This IC is designed for charging single-cell Li-Ion batteries from a wireless power transmitter. The pin count for the LTC4124 is 6, and its key functions include:
1. VIN: Input power pin for receiving wireless power.
2. GND: Ground connection.
3. BAT: Battery connection pin for charging the Li-Ion cell.
4. PROG: Used to set the charge current by connecting a resistor.
5. NTC: Input for connecting an NTC thermistor to monitor battery temperature.
6. SWEN: Enables or disables the switch when connected high or low.
The device integrates a full-featured battery charger with thermal regulation, providing a compact solution for wireless charging applications.
1. VIN: Input power pin for receiving wireless power.
2. GND: Ground connection.
3. BAT: Battery connection pin for charging the Li-Ion cell.
4. PROG: Used to set the charge current by connecting a resistor.
5. NTC: Input for connecting an NTC thermistor to monitor battery temperature.
6. SWEN: Enables or disables the switch when connected high or low.
The device integrates a full-featured battery charger with thermal regulation, providing a compact solution for wireless charging applications.
Manufacturer
The manufacturer of the LTC4124EV#TRMPBF is Analog Devices, Inc. Analog Devices is a multinational semiconductor company that specializes in the design and production of analog, mixed-signal, and digital signal processing (DSP) integrated circuits used in electronic equipment. The company is known for its high-performance products and solutions that are used across various industries, including automotive, communications, healthcare, industrial, and consumer electronics. Analog Devices offers a wide range of products, including data converters, amplifiers, power management devices, radio frequency (RF) ICs, sensors, and more.
Application
The LTC4124EV#TRMPBF is a wireless power receiver and battery charger IC primarily used in applications requiring compact and efficient charging solutions. Its main application areas include:
1. Wearable Devices: Providing efficient charging for small electronics like smartwatches and fitness trackers.
2. Medical Devices: Offering a safe and reliable charging solution for portable medical equipment.
3. IoT Devices: Enabling wireless power solutions for various Internet of Things devices.
4. Consumer Electronics: Facilitating wireless charging for compact gadgets such as wireless earbuds and portable sensors.
These applications benefit from its small size, low power operation, and capability to charge single-cell lithium-ion batteries wirelessly.
1. Wearable Devices: Providing efficient charging for small electronics like smartwatches and fitness trackers.
2. Medical Devices: Offering a safe and reliable charging solution for portable medical equipment.
3. IoT Devices: Enabling wireless power solutions for various Internet of Things devices.
4. Consumer Electronics: Facilitating wireless charging for compact gadgets such as wireless earbuds and portable sensors.
These applications benefit from its small size, low power operation, and capability to charge single-cell lithium-ion batteries wirelessly.
Package
The LTC4124EV#TRMPBF is a surface-mount package. Specifically, it is available in a 6-lead DFN (Dual Flat No-Lead) package with a 2mm x 2mm footprint. This compact package type is well-suited for use in space-constrained applications.
