BQ25504RGTR

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BQ25504RGTR

+Nomenclature

IC ENERGY HARV CTRLR BATT 16QFN

  • FabricantTexas Instruments

  • Pièce fabricant #BQ25504RGTR

  • Package VQFN-16

  • En stock2314

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Spécifications

Attribut Valeur
Package / Case Tape & Reel (TR),Cut Tape (CT),Bulk
Part Status Active
Applications Energy Harvesting
Supply Current 330nA
Voltage - Supply 2.5V ~ 5.25V
Operating Temperature -40°C ~ 85°C
Mounting Type Surface Mount

Présentation

Description

The BQ25504RGTR is a highly efficient energy-harvesting power management integrated circuit (PMIC) designed by Texas Instruments. It is specifically engineered to extract and manage power from low-output energy sources like solar cells, thermoelectric generators, or piezoelectric elements. This IC is particularly suitable for applications that require ultra-low power consumption, such as wireless sensor networks and portable devices, where conventional batteries may be impractical or insufficient.
Key features include a wide input voltage range (330 mV to 5.5 V), which allows it to handle various energy sources. The BQ25504RGTR incorporates a maximum power point tracking (MPPT) algorithm to optimize energy harvesting efficiency. Additionally, it includes a cold start feature to initiate energy harvesting at very low input voltages.
The chip also offers programmable input voltage set points, an integrated buck/boost DC-DC converter, and over-voltage protection, making it versatile and robust for different energy harvesting scenarios. Its compact size and high integration level make it ideal for space-constrained applications.

Equivalent

The BQ25504RGTR is an energy harvesting power management IC from Texas Instruments. Equivalent products to consider include:
1. BQ25505 - Another variant from Texas Instruments, with similar functionalities.
2. LTC3106 - From Analog Devices, suitable for low-power energy harvesting.
3. SPV1050 - From STMicroelectronics, supports multiple energy sources.
4. MAX17710 - From Maxim Integrated, designed for energy harvesting applications.
These alternatives offer similar functionalities with slight variations in features and specifications.

Features

The BQ25504RGTR is a highly efficient energy harvesting power management integrated circuit (PMIC) designed by Texas Instruments. Key features include:
1. Ultra-Low Power Start-Up: Operates with input voltages as low as 330 mV, allowing it to start up with low energy sources such as solar panels, thermoelectric generators, or piezoelectric devices.
2. High Efficiency: Boost converter with high conversion efficiency over a wide range of power inputs, from microwatts to milliwatts.
3. MPPT (Maximum Power Point Tracking): Implements MPPT to optimize energy harvesting from varying power sources, enhancing the efficiency of energy capture.
4. Battery Management: Provides integrated battery management features, including battery under-voltage protection and over-voltage protection, suitable for rechargeable batteries.
5. Programmable Settings: Offers customizable settings for input voltage, output voltage, and battery charging thresholds to meet specific application requirements.
6. Compact Package: Available in a small 16-pin QFN package, facilitating integration into space-constrained designs.
Overall, the BQ25504RGTR is ideal for applications requiring efficient energy harvesting and power management, such as wireless sensor networks and IoT devices.

Pinout

The BQ25504RGTR is a highly efficient boost converter IC designed for energy harvesting applications. It is manufactured by Texas Instruments. This device is provided in a 16-pin VQFN (Very Thin Quad Flat No-lead) package. The pin functions include:
1. VBAT_OK - Battery voltage status indicator
2. VOUT - Boost converter output
3. VBAT - Battery connection
4. VBAT_SEC - Secondary battery connection
5. NC - No internal connection
6. VSTOR - Storage element connection
7. VREF_SAMP - Reference voltage sample
8. MPPT - Maximum Power Point Tracking (input)
9. VREF - Reference voltage output
10. VSS - Ground
11. VDD - Input voltage pin
12. VOC_SAMP - Open-circuit voltage sample
13. LBOOST - Boost inductor connection
14. VIN_DC - DC input voltage
15. EN - Enable pin
16. PMID - Input power management
The BQ25504RGTR is designed to efficiently manage the energy flow from various energy sources such as solar cells or thermal electric generators to a battery or supercapacitor.

Manufacturer

The BQ25504RGTR is manufactured by Texas Instruments (TI). TI is a global semiconductor company known for designing, manufacturing, and selling a broad range of integrated circuits. Their products are used in a variety of applications, including industrial, automotive, personal electronics, and communications equipment. TI focuses on analog and embedded processing technologies, making it a leading player in the semiconductor industry.

Application

The BQ25504RGTR is a highly efficient energy harvesting power management IC designed for applications requiring ultra-low power. It is particularly suitable for devices powered by small energy sources like solar cells, thermoelectric generators, or piezoelectric transducers. Key application areas include wireless sensor networks, wearable electronics, remote monitoring systems, and Internet of Things (IoT) devices. It is ideal for situations where the device needs to operate independently for extended periods without battery replacement, enabling sustainable energy solutions and extending device lifecycles in energy-constrained scenarios.

Package

The BQ25504RGTR is a Texas Instruments ultra-low-power boost converter designed for energy harvesting applications. It comes in a 16-pin VQFN (Very Thin Quad Flat No-Lead) package, which is compact and suitable for space-constrained designs.

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