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LTC4088EDE-1#PBF
Product Overview
Category
The LTC4088EDE-1#PBF belongs to the category of integrated circuits (ICs) used in power management.
Use
This IC is primarily used for battery charging applications, specifically for single-cell lithium-ion/polymer batteries.
Characteristics
- The LTC4088EDE-1#PBF is a highly efficient battery charger with an input voltage range of 4.95V to 32V.
- It features a maximum charge current of 950mA and supports various charging profiles, including constant-current/constant-voltage (CC/CV) and constant-current-only (CC).
- This IC incorporates a programmable charge termination timer and provides accurate battery charge status indication.
- It offers a wide operating temperature range of -40°C to 85°C, making it suitable for use in various environments.
Package
The LTC4088EDE-1#PBF comes in a 12-pin DFN (Dual Flat No-Lead) package, which ensures good thermal performance and compact size.
Essence
The essence of the LTC4088EDE-1#PBF lies in its ability to efficiently charge single-cell lithium-ion/polymer batteries while providing flexibility in charging profiles and accurate charge status indication.
Packaging/Quantity
This IC is typically available in tape and reel packaging, with a quantity of 250 units per reel.
Specifications
- Input Voltage Range: 4.95V to 32V
- Maximum Charge Current: 950mA
- Charging Profiles: CC/CV, CC
- Operating Temperature Range: -40°C to 85°C
- Package Type: 12-pin DFN
Detailed Pin Configuration
- VIN: Input voltage pin
- GND: Ground pin
- PROG: Programming pin for charge termination timer
- STAT: Battery charge status indication pin
- ISET: Charge current setting pin
- TS: Temperature sense pin
- VBAT: Battery voltage sense pin
- BAT: Battery connection pin
- ILIM: Input current limit setting pin
- VOUT: Output voltage pin
- FLT: Fault indication pin
- PGND: Power ground pin
Functional Features
- Wide input voltage range allows for versatile power supply options.
- Programmable charge termination timer enables precise control over charging duration.
- Accurate battery charge status indication facilitates monitoring of the charging process.
- Flexible charging profiles support different battery chemistries and optimize charging efficiency.
- Integrated fault indication pin alerts users to any potential issues during the charging process.
Advantages and Disadvantages
Advantages
- High charging efficiency
- Wide operating temperature range
- Accurate charge status indication
- Compact package size
Disadvantages
- Limited maximum charge current (950mA)
Working Principles
The LTC4088EDE-1#PBF operates by regulating the charging current and voltage to the connected lithium-ion/polymer battery. It utilizes a CC/CV or CC charging profile, depending on the application requirements. The charge termination timer can be programmed to end the charging process after a specific duration. The IC also incorporates various protection features to ensure safe charging, such as input current limiting and fault detection.
Detailed Application Field Plans
The LTC4088EDE-1#PBF finds applications in various fields, including: - Portable electronic devices - Wireless communication devices - Industrial equipment - Medical devices - Automotive systems
Detailed and Complete Alternative Models
Some alternative models that offer similar functionality to the LTC4088EDE-1#PBF include: - MCP73831 - BQ24075 - MAX1555 - LT3652
These alternative models provide options for different charging currents, package types, and additional features, allowing users to choose the most suitable IC for their specific application requirements.
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Sebutkan 10 pertanyaan dan jawaban umum terkait penerapan LTC4088EDE-1#PBF dalam solusi teknis
Sure! Here are 10 common questions and answers related to the application of LTC4088EDE-1#PBF in technical solutions:
Q1: What is LTC4088EDE-1#PBF? A1: LTC4088EDE-1#PBF is a specific model number for a battery charger IC manufactured by Linear Technology (now part of Analog Devices). It is designed for charging single-cell lithium-ion/polymer batteries.
Q2: What is the input voltage range supported by LTC4088EDE-1#PBF? A2: The input voltage range supported by LTC4088EDE-1#PBF is typically between 3.45V and 6V.
Q3: What is the maximum charge current that LTC4088EDE-1#PBF can provide? A3: LTC4088EDE-1#PBF can provide a maximum charge current of up to 950mA.
Q4: Can LTC4088EDE-1#PBF be used for fast charging applications? A4: Yes, LTC4088EDE-1#PBF supports fast charging with programmable charge current and voltage limits.
Q5: Does LTC4088EDE-1#PBF have built-in thermal regulation? A5: Yes, LTC4088EDE-1#PBF has built-in thermal regulation to prevent overheating during charging.
Q6: Can LTC4088EDE-1#PBF be used for wireless charging applications? A6: No, LTC4088EDE-1#PBF is not specifically designed for wireless charging. It is primarily intended for wired charging applications.
Q7: What is the typical efficiency of LTC4088EDE-1#PBF? A7: The typical efficiency of LTC4088EDE-1#PBF is around 90% when charging a lithium-ion/polymer battery.
Q8: Does LTC4088EDE-1#PBF have overvoltage protection? A8: Yes, LTC4088EDE-1#PBF has overvoltage protection to prevent damage to the battery during charging.
Q9: Can LTC4088EDE-1#PBF be used in portable electronic devices? A9: Yes, LTC4088EDE-1#PBF is commonly used in portable electronic devices like smartphones, tablets, and wearable devices.
Q10: What are the recommended external components for using LTC4088EDE-1#PBF? A10: The recommended external components for using LTC4088EDE-1#PBF include input and output capacitors, resistors for setting charge current and voltage limits, and a sense resistor for current monitoring.
Please note that these answers are general and may vary depending on specific application requirements. It is always recommended to refer to the datasheet and application notes provided by the manufacturer for detailed information.