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BQ7790500PWR
IC BATT PROT LI-ION 3-5C 20TSSOP
- Fabricant
- Mfr. Partie #BQ7790500PWR
- Paquet TSSOP (PW)-20
- Fiche de données
- En stock2655
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Spécifications
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| Function | Battery Protection |
| BatteryChemistry | Lithium Ion |
| NumberofCells | 3 ~ 5 |
| FaultProtection | Over Current, Over Temperature, Over/Under Voltage, Short Circuit |
| OperatingTemperature | -40°C ~ 85°C (TA) |
| MountingType | Surface Mount |
| Package/Case | 20-TSSOP (0.173, 4.40mm Width) |
Vue d'ensemble
Description
Key features of the BQ7790500PWR include a highly accurate voltage sensing for each cell, low power consumption, and the ability to control external field-effect transistors (FETs) for battery pack disconnection under fault conditions. The device also supports balancing during charging, which helps to maintain equal voltage across all cells, thereby optimizing the pack's performance and lifespan.
The BQ7790500PWR is commonly used in applications such as power tools, e-bikes, and backup power systems, where reliable and efficient battery management is critical. Its compact PowerPAD™ TSSOP package allows for easy integration into various designs with space constraints.
Features
1. Cell Protection: It provides overcharge, over-discharge, and overcurrent protection for up to 5-series cell battery packs.
2. Balancing: Includes passive cell balancing feature to ensure uniform charge distribution across the cells, enhancing performance and lifespan.
3. Low Power Consumption: Designed for low power consumption, with a typical operating current of 6 µA, which extends battery life.
4. Configurable Parameters: Allows for the customization of protection thresholds and delays to fit specific application needs through external components.
5. Wide Operating Range: Supports a wide voltage range, making it versatile for various battery configurations and applications.
6. Temperature Monitoring: Compatible with external thermistors for temperature monitoring to prevent overheating.
7. Compact Package: Available in a small TSSOP package, enabling integration into compact designs.
These features make the BQ7790500PWR suitable for applications such as power tools, e-bikes, and other battery-operated devices requiring reliable battery management.
Package
Pinout
- Pin Count: The BQ7790500PWR comes in a TSSOP (Thin Shrink Small Outline Package) with 14 pins.
- Functions:
- Cell Voltage Monitoring: Monitors the voltage of each cell in a battery pack to ensure they remain within a safe operating range.
- Overvoltage and Undervoltage Protection: Provides protection by disconnecting the load if any cell exceeds or drops below preset voltage limits.
- Overcurrent Protection: Detects excessive current flow, providing a means to protect the battery from damage due to high current events.
- Short Circuit Protection: Quickly disconnects the battery in the event of a short circuit, preventing potential damage or hazardous situations.
- Balancing: Supports passive balancing to ensure all cells in the battery pack maintain a uniform state of charge.
- Temperature Monitoring: Works with external thermistors to monitor battery temperature, ensuring safe operating conditions.
This IC is commonly used in battery packs for tools, e-bikes, and other applications requiring robust battery management.
Manufacturer
Application
Equivalent
Expédition
Méthodes d'expéditionNous
offrir des services d'expédition mondiaux par DHL, FedEx, TNT, UPS ou tout autre expéditeur de votre choix.
Référence des frais d'expédition (DHL/FedEx):
DHL: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 2 à 5 jours ouvrables.
FedEx: Les frais d'expédition varient de 25 à 40 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.
UPS: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.
TNT: Les frais d'expédition varient de 25 à 65 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.
EMS: Les frais d'expédition varient de 30 à 50 $ (0,5 kg), avec un délai de livraison estimé de 7 à 15 jours ouvrables.
Courrier aérien enregistré: Le coût d'expédition est de 2 à 4 $ (0,1 kg), avec un délai de livraison estimé de 5 à 20 jours ouvrables.
Paiements
Payment Methods
Le terme de paiement est 100% prépayé.
Actuellement, nous n'acceptons que les méthodes de paiement ci-dessous:
1. PayPal
2. Carte de crédit/débit
3. Transfert bancaire
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