BQ24745RHDTManufacturer: BB/TI SMBus-Controlled Level 2 Multi-Chemistry Battery Charger With Input Current Detect Comparator 28-VQFN 0 to 125 | |||
| Partnumber | Manufacturer | Quantity | Availability |
|---|---|---|---|
| BQ24745RHDT | BB/TI | 25100 | In Stock |
Description and Introduction
SMBus-Controlled Level 2 Multi-Chemistry Battery Charger With Input Current Detect Comparator 28-VQFN 0 to 125 The BQ24745RHDT is a battery charge controller manufactured by Texas Instruments (TI). Here are the key specifications from Ic-phoenix technical data files:
1. **Manufacturer**: Texas Instruments (TI)   11. **Operating Temperature Range**: -40°C to +85°C   This information is based solely on the manufacturer's datasheet for the BQ24745RHDT. |
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Application Scenarios & Design Considerations
SMBus-Controlled Level 2 Multi-Chemistry Battery Charger With Input Current Detect Comparator 28-VQFN 0 to 125# BQ24745RHDT Technical Documentation
## 1. Application Scenarios ### Typical Use Cases  Portable Computing Devices   Industrial Portable Equipment   Professional Mobile Equipment  ### Industry Applications  Consumer Electronics   Industrial & Medical   Telecommunications  ### Practical Advantages and Limitations  Advantages:   Limitations:  ## 2. Design Considerations ### Common Design Pitfalls and Solutions  Pitfall 1: Inadequate Thermal Management   Pitfall 2: Incurrent Sense Resistor Selection   Pitfall 3: Poor Layout of High-Frequency Switching Paths   Pitfall 4: Insufficient Input Capacitance  ### Compatibility Issues with Other Components  Power Management ICs   Battery Packs   System Processors   External MOSFETs  ### PCB Layout Recommendations  Power Stage Layout  |
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| Partnumber | Manufacturer | Quantity | Availability |
| BQ24745RHDT | TI Pb-free | 217 | In Stock |
Description and Introduction
SMBus-Controlled Level 2 Multi-Chemistry Battery Charger With Input Current Detect Comparator 28-VQFN 0 to 125 The **BQ24745RHDT** from Texas Instruments is a highly efficient, synchronous battery charge controller designed for single-cell Li-ion and Li-polymer battery applications. This advanced IC integrates multiple features to optimize charging performance while ensuring system reliability.  
Supporting a wide input voltage range of up to 24V, the BQ24745RHDT is ideal for portable devices, notebooks, and other battery-powered systems. It incorporates a high-accuracy switching regulator with programmable charge current and voltage settings, enabling precise control over the charging process. The device also includes input current limiting to prevent overloading the power source, enhancing safety and efficiency.   Key features include **I²C programmability**, allowing dynamic adjustments to charging parameters, and **power-path management**, which ensures seamless transitions between battery and adapter power. Additionally, the BQ24745RHDT offers comprehensive protection mechanisms such as overvoltage, overcurrent, and thermal shutdown to safeguard both the battery and the system.   With its compact **VQFN-20 package**, the BQ24745RHDT is well-suited for space-constrained designs. Its robust architecture and intelligent charging algorithms make it a reliable solution for modern portable electronics, balancing performance, safety, and energy efficiency.   Engineers seeking a versatile and high-performance battery charge controller will find the BQ24745RHDT a compelling choice for their power management needs. |
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Application Scenarios & Design Considerations
SMBus-Controlled Level 2 Multi-Chemistry Battery Charger With Input Current Detect Comparator 28-VQFN 0 to 125# BQ24745RHDT Technical Documentation
## 1. Application Scenarios ### Typical Use Cases -  Portable Computing Devices : Laptops, ultrabooks, and tablets requiring high-efficiency battery charging ### Industry Applications ### Practical Advantages ### Limitations ## 2. Design Considerations ### Common Design Pitfalls and Solutions  Pitfall 1: Inadequate Thermal Management   Pitfall 2: Incurrent Current Sensing   Pitfall 3: Input Voltage Transients  ### Compatibility Issues  Power Source Compatibility   Battery Pack Considerations  ### PCB Layout Recommendations  Power Path Layout   Signal Integrity   Thermal Management  ## 3. Technical Specifications ### Key Parameter Explanations  Input Voltage Range : 5V to 24V  Charging Voltage : 8.4V to 16.8V  Charging Current : Up to 10A |
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| Partnumber | Manufacturer | Quantity | Availability |
| BQ24745RHDT | TI | 100 | In Stock |
Description and Introduction
SMBus-Controlled Level 2 Multi-Chemistry Battery Charger With Input Current Detect Comparator 28-VQFN 0 to 125 The BQ24745RHDT is a battery charge controller manufactured by Texas Instruments (TI). Here are its key specifications:
- **Input Voltage Range**: 4.5V to 24V   This information is sourced from TI's official datasheet for the BQ24745RHDT. |
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Application Scenarios & Design Considerations
SMBus-Controlled Level 2 Multi-Chemistry Battery Charger With Input Current Detect Comparator 28-VQFN 0 to 125# BQ24745RHDT Technical Documentation
## 1. Application Scenarios ### Typical Use Cases -  Portable Computing Devices : Laptops, ultrabooks, and tablets requiring efficient battery management ### Industry Applications ### Practical Advantages  Limitations:  ## 2. Design Considerations ### Common Design Pitfalls and Solutions  Pitfall 2: Incorrect Current Sensing   Pitfall 3: Poor Thermal Management  ### Compatibility Issues  System Integration:  ### PCB Layout Recommendations  Signal Integrity:   Thermal Management:  ## 3. Technical Specifications ### Key Parameter Explanations |
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