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TLC5947RHBR
IC LED DRIVER LINEAR 30MA 32VQFN
- Fabricant
- Mfr. Partie #TLC5947RHBR
- Paquet VQFN (RHB)-32
- Fiche de données TLC5947RHBR DataSheet
- En stock4927
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Spécifications
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| Type | Linear |
| Topology | Shift Register |
| InternalSwitch(s) | Yes |
| NumberofOutputs | 24 |
| Voltage-Supply(Min) | 3V |
| Voltage-Supply(Max) | 5.5V |
| Voltage-Output | 30V |
| Current-Output/Channel | 30mA |
| Frequency | 4MHz |
| Applications | Backlight |
| OperatingTemperature | -40°C ~ 85°C (TA) |
| MountingType | Surface Mount |
| Package/Case | 32-VFQFN Exposed Pad |
Vue d'ensemble
Description
The TLC5947RHBR operates with a supply voltage range of 3V to 5.5V and utilizes a shift register-based data input method, allowing for reduced pin count and simplified interfacing with microcontrollers. The device also features built-in circuitry to minimize flicker and ensure smooth dimming transitions. Its thermal and short-circuit protections enhance reliability in demanding environments. The device is housed in a compact 32-pin HTSSOP package, making it ideal for space-constrained designs. Overall, the TLC5947RHBR offers a versatile and efficient solution for high-density LED driving applications.
Features
1. 24 Channels: It can control up to 24 separate LEDs or LED segments, making it suitable for complex displays or lighting systems.
2. Constant Current Sinking: Each channel can sink a constant current, ensuring consistent brightness across all connected LEDs.
3. High Output Current: It supports up to 30 mA per channel, adjustable via an external resistor, allowing flexibility in LED selection.
4. PWM Control: The driver uses 12-bit PWM (Pulse Width Modulation) for each channel, providing fine granularity in brightness control.
5. Serial Interface: It features a serial interface for easy integration with microcontrollers and other digital systems.
6. Thermal Management: Built-in thermal shutdown and current limit protection enhance reliability and safety.
7. Wide Supply Voltage Range: Operates from 3.0V to 5.5V, suitable for battery-powered and low-voltage applications.
8. Package Options: Available in compact packages, ideal for space-constrained designs.
These features make the TLC5947RHBR a versatile choice for LED driving applications requiring high precision and reliability.
Package
Pinout
Key functions include:
1. Channel Control: Each of the 24 output channels can be individually controlled, allowing for precise LED brightness management.
2. PWM and Grayscale Control: The device uses 12-bit PWM for grayscale control, providing 4096 levels of brightness for each channel.
3. Serial Interface: It utilizes a serial interface for data input, making it straightforward to integrate into microcontroller systems.
4. Constant Current Sink: It maintains a constant current output, which is crucial for consistent LED brightness, regardless of LED forward voltage variations.
5. Thermal Management: The package and design support thermal management features to ensure reliable operation under various conditions.
The TLC5947RHBR is suitable for applications such as RGB LED displays, signage, and general LED lighting controls.
Manufacturer
Application
Equivalent
1. MAX7219 by Maxim Integrated: 8-digit LED display driver with segment control.
2. STP24DP05 by STMicroelectronics: 24-bit constant current LED sink driver.
3. MBI5026 by Macroblock: 16-channel constant current LED driver.
4. LPD6803: LED driver chip often used in RGB LED strips.
Check for specific electrical compatibility and feature sets when choosing an 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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