사양
| 속성 | 가치 |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Part Status | Active |
| Function | Battery Protection |
| Battery Chemistry | Lithium Ion/Polymer |
| Number of Cells | 1 |
| Fault Protection | Over Current, Over/Under Voltage, Short Circuit |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
개요
Description
The BQ29700DSER is a highly integrated battery protection IC designed by Texas Instruments. It is typically used in lithium-ion and lithium-polymer battery packs to ensure safety and reliability. This IC provides essential protection functions including overvoltage, undervoltage, overcurrent, and short-circuit protection. The BQ29700DSER operates by continuously monitoring the battery cell's voltage and current levels during charging and discharging cycles.
Key features of the BQ29700DSER include a low quiescent current, making it energy efficient, and a compact package, enhancing its applicability in compact battery-powered devices. It is part of the BQ297xx series, which comprises various configurations to accommodate different voltage and current specifications, allowing for customization based on specific design requirements.
The device is commonly used in consumer electronics, power tools, and other portable devices where maintaining the integrity of the battery is crucial. Its robust protection mechanisms help prevent damage to the battery, prolonging its lifespan and ensuring user safety.
Key features of the BQ29700DSER include a low quiescent current, making it energy efficient, and a compact package, enhancing its applicability in compact battery-powered devices. It is part of the BQ297xx series, which comprises various configurations to accommodate different voltage and current specifications, allowing for customization based on specific design requirements.
The device is commonly used in consumer electronics, power tools, and other portable devices where maintaining the integrity of the battery is crucial. Its robust protection mechanisms help prevent damage to the battery, prolonging its lifespan and ensuring user safety.
Equivalent
The BQ29700DSER is a battery protection IC by Texas Instruments. Equivalent products include:
1. S-8241 Series by Seiko Instruments: A similar battery protection IC series for lithium-ion batteries.
2. R5432 Series by Ricoh: Offers overcharge, over-discharge, and overcurrent protection for lithium-ion batteries.
3. DS2762 by Maxim Integrated: A battery protection IC with similar functionalities.
Always verify compatibility with specific applications, as features may vary.
1. S-8241 Series by Seiko Instruments: A similar battery protection IC series for lithium-ion batteries.
2. R5432 Series by Ricoh: Offers overcharge, over-discharge, and overcurrent protection for lithium-ion batteries.
3. DS2762 by Maxim Integrated: A battery protection IC with similar functionalities.
Always verify compatibility with specific applications, as features may vary.
Features
The BQ29700DSER is a battery protection integrated circuit designed for single-cell lithium-ion and lithium-polymer battery packs. Key features include:
1. Overvoltage Protection: It prevents overcharging by disconnecting the battery from the charger when the voltage exceeds a specified threshold.
2. Undervoltage Protection: Protects the battery from excessive discharge by disconnecting the load when the voltage drops below a set level.
3. Overcurrent Protection: Detects and mitigates overcurrent conditions during charging and discharging by controlling the external FETs.
4. Short Circuit Protection: Provides rapid response to short-circuit conditions to safeguard the battery.
5. Low Power Consumption: Designed to minimize power usage in normal operation and standby modes, enhancing battery life.
6. Small Package Size: Available in a compact package, suitable for space-constrained applications.
7. Adjustable Parameters: Certain protection thresholds can be customized to meet specific battery management requirements.
These features make the BQ29700DSER suitable for portable electronics, power tools, and other applications requiring reliable battery protection.
1. Overvoltage Protection: It prevents overcharging by disconnecting the battery from the charger when the voltage exceeds a specified threshold.
2. Undervoltage Protection: Protects the battery from excessive discharge by disconnecting the load when the voltage drops below a set level.
3. Overcurrent Protection: Detects and mitigates overcurrent conditions during charging and discharging by controlling the external FETs.
4. Short Circuit Protection: Provides rapid response to short-circuit conditions to safeguard the battery.
5. Low Power Consumption: Designed to minimize power usage in normal operation and standby modes, enhancing battery life.
6. Small Package Size: Available in a compact package, suitable for space-constrained applications.
7. Adjustable Parameters: Certain protection thresholds can be customized to meet specific battery management requirements.
These features make the BQ29700DSER suitable for portable electronics, power tools, and other applications requiring reliable battery protection.
Pinout
The BQ29700DSER is a battery protection IC from Texas Instruments, designed for single-cell lithium-ion and lithium-polymer battery packs. It typically comes in a small 6-pin package, specifically the SOT-23-6 form factor. Here's a brief overview of its pin count and function:
1. V- (Pin 1): Connects to the negative terminal of the battery; used for voltage sensing and power.
2. VC (Pin 2): Connects to the positive terminal of the battery; used for voltage sensing.
3. TD (Pin 3): Connects to a timing capacitor; used to set the delay time for overcurrent and short-circuit protection.
4. VSS (Pin 4): Ground pin for the IC.
5. OUT (Pin 5): Controls the gate of an external N-channel MOSFET for discharging the battery.
6. COUT (Pin 6): Controls the gate of an external N-channel MOSFET for charging the battery.
The BQ29700DSER provides essential protection features such as overcharge, over-discharge, overcurrent, and short-circuit protection, ensuring the safety and longevity of battery packs.
1. V- (Pin 1): Connects to the negative terminal of the battery; used for voltage sensing and power.
2. VC (Pin 2): Connects to the positive terminal of the battery; used for voltage sensing.
3. TD (Pin 3): Connects to a timing capacitor; used to set the delay time for overcurrent and short-circuit protection.
4. VSS (Pin 4): Ground pin for the IC.
5. OUT (Pin 5): Controls the gate of an external N-channel MOSFET for discharging the battery.
6. COUT (Pin 6): Controls the gate of an external N-channel MOSFET for charging the battery.
The BQ29700DSER provides essential protection features such as overcharge, over-discharge, overcurrent, and short-circuit protection, ensuring the safety and longevity of battery packs.
Manufacturer
The BQ29700DSER is manufactured by Texas Instruments (TI). Texas Instruments is a global technology company that designs and manufactures semiconductors and various integrated circuits, which are used in electronics across multiple industries. TI’s products serve a wide range of applications, including automotive, industrial, personal electronics, communications equipment, and enterprise systems. The company is well-known for its innovation in the semiconductor industry and has a significant focus on analog and embedded processing products.
Application
The BQ29700DSER is a battery protection IC commonly used in applications requiring single-cell lithium-ion or lithium-polymer battery protection. It is ideal for portable electronics, such as smartphones, tablets, wearable devices, and other battery-operated gadgets. The device protects against overcharge, over-discharge, and overcurrent conditions, ensuring battery safety and longevity. Additionally, it features a small form factor suitable for compact and space-constrained applications.
Package
The BQ29700DSER is packaged in an 8-pin SON (Small Outline No-lead) package, specifically identified as the DSE package. This type of package is compact with dimensions typically around 3 mm x 3 mm, designed for space-efficient applications in battery management systems.
