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LP8867QPWPRQ1
IC LED DRVR RGLTR PWM 20HTSSOP
- Fabricant
- Mfr. Partie #LP8867QPWPRQ1
- Paquet HTSSOP (PWP)-20
- Fiche de données
- En stock5926
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Spécifications
| Package | Tape & Reel (TR),Cut Tape (CT) |
| Series | Automotive, AEC-Q100 |
| ProductStatus | Active |
| Type | DC DC Regulator |
| Topology | SEPIC, Step-Up (Boost) |
| InternalSwitch(s) | Yes |
| NumberofOutputs | 3 |
| Voltage-Supply(Min) | 4.5V |
| Voltage-Supply(Max) | 45V |
| Voltage-Output | 6V ~ 45V |
| Current-Output/Channel | 120mA |
| Frequency | 300kHz ~ 2.2MHz |
| Dimming | PWM |
| Applications | Automotive, Backlight |
| OperatingTemperature | -40°C ~ 125°C (TA) |
| MountingType | Surface Mount |
| Package/Case | 20-PowerTSSOP (0.173, 4.40mm Width) |
Vue d'ensemble
Description
Key features of the LP8867QPWPRQ1 include its ability to drive up to four LED strings efficiently, with a total output current capability of up to 1.5 A per string. It supports both analog and PWM (Pulse Width Modulation) dimming, providing flexibility in brightness control. The device is equipped with adaptive voltage control to optimize power efficiency by adjusting the power to match LED requirements.
An integrated boost/SEPIC converter offers a wide input voltage range, enhancing its utility in various automotive systems. Additionally, the LP8867QPWPRQ1 includes built-in protection features such as overcurrent, overvoltage, and thermal shutdown, ensuring resilience and safety in operation.
This LED driver is ideal for achieving high efficiency, reduced electromagnetic interference (EMI), and precise current regulation in demanding automotive lighting applications.
Features
1. Adaptive Boost Controller: It dynamically adjusts the output voltage to optimize the efficiency across varying LED forward voltages.
2. Multiple Dimming Options: Supports PWM, analog, and mixed dimming for flexible brightness control.
3. Fault Detection: Offers built-in fault diagnostics such as open LED, short circuit, and over-temperature protection to ensure reliable operation.
4. I2C Interface: Allows for easy configuration and monitoring of driver parameters.
5. Synchronization: Provides the ability to synchronize with an external clock for reduced electromagnetic interference (EMI).
6. Automotive Grade: AEC-Q100 qualified, making it suitable for use in automotive environments.
7. Compact Package: Available in a small Power WQFN package, facilitating compact designs.
The LP8867QPWPRQ1 is ideal for automotive backlighting, cluster displays, and any application requiring high-performance LED driving with robust diagnostics and control features.
Package
Pinout
The 24 pins of the LP8867QPWPRQ1 serve functions such as:
1. Power Supply: Pins for input voltage (VIN) and ground (GND).
2. Switching Node: Switch pin (SW) for connecting the inductor.
3. Feedback: LED feedback pins for monitoring the LED current.
4. Control and Communication: Pins for interfacing with the control system, such as I2C communication pins (SDA, SCL) and enable pin (EN).
5. Other Functions: Additional pins for features like the boost converter feedback (FB), compensation network (COMP), and various other configuration and diagnostic functions.
Each pin is specifically designated to support the device's efficient operation, thermal management, and communication with other system components. For detailed pin functions and configurations, consulting the datasheet is recommended.
Manufacturer
Application
Equivalent
1. Texas Instruments TPS61196: A similar multi-channel LED driver.
2. Linear Technology LT3952: Offers a high-voltage monolithic LED driver.
3. Infineon TLD5099EP: A versatile LED driver for automotive applications.
Specifications like input voltage range, output channels, and current capabilities should be compared for precise equivalence. Always verify compatibility with your specific application requirements.
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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