The LP5521YQ/NOPB is a programmable three-channel LED driver designed for mobile devices, featuring an integrated charge pump that supports efficient LED driving across a full Li-Ion battery voltage range. It offers three independent LED channels with programmable current sources and PWM control, allowing for the creation of various lighting effects and sequences. The device includes a substantial program memory for autonomous operation without external processor control, which can lead to power savings. The LP5521 operates with a flexible digital interface, including an I¬=C-compatible connection that allows for the synchronization of multiple devices. It features automatic power-save modes and a typical shutdown current of 200 nA, enhancing energy efficiency. The driver is compact, requiring only four small ceramic capacitors, and is suitable for applications such as indicator lights, backlighting, and RGB indication. The operating temperature range is from -30¬8C to 85¬8C, making it versatile for various environments.
Programmable Three Channel LED Driver 24-WQFN -30 to 85
LED Driver IC 3 Output DC DC Regulator Switched Capacitor (Charge Pump) I²C Dimming 25.5mA 24-WQFN (5x4)
LED Driver IC 3 Output DC DC Regulator Switched Capacitor (Charge Pump) I²C Dimming 25.5mA 24-WQFN (5x4)
LED Driver IC 3 Output DC DC Regulator Switched Capacitor (Charge Pump) I²C Dimming 25.5mA 24-WQFN (5x4)
3-Ch I²C RGB/W LED Driver, 25.5mA, 1.25MHz, Charge Pump, 24-WQFN Product overview: LP5521YQ/NOPB from Texas Instruments is a LED Driver IC for LED lighting, display backlights, indicator control, automotive lighting, signage, and regulated current drive circuits. It is useful for engineers and buyers comparing datasheets, replacement parts, BOM lines, package options, lifecycle status, and procurement availability. Key searchable attributes include 25.5mA, 1.25MHz. Search-friendly keywords include LED driver IC, constant current, lighting control, display backlight, 25.5mA, 1.25MHz, External/Internal LED Drivers. This listing supports clearer product discovery for industrial, commercial, repair, automation, power, sensing, and embedded system projects. Product number 137-LP5521YQ/NOPB can be used for catalog matching and distributor lookup.
Manufacturer: Texas Instruments
Win Source Part Number: 1203907-LP5521YQ/NOP
Packaging: Reel - TR
Type: DC DC Regulator
Operating Temperature Range: -30°C ~ 85°C (TA)
Package: 24-WFQFN Exposed Pad
Applications: Backlight
Mounting: SMD
Voltage - Output: 4.55V
Frequency: 1.25MHz
Internal Switch(s): Yes
Topology: Switched Capacitor (Charge Pump)
Number of Outputs: 3
Dimming: I2C
Family Name: LP5521
Categories: Integrated Circuits (ICs)
Manufacturer Homepage: www.ti.com
Manufacturer Package: 24-LLP (5x4)
Voltage Supply MAX: 5.5V
Output Current per Channel: 25.5mA
Voltage Supply MIN: 2.7V
Alternative Parts (Cross-Reference): UZXLD1100H6TA; AHK3293IGU-T1; SP7612CEC6-L;
Introduction Date: June 01, 2007
ECCN: EAR99
Country of Origin: Malaysia
Estimated EOL Date: 2028
Halogen Free: Compliant
Is this a common-used part?: Yes
Popularity: High
Fake Threat In the Open Market: 36 pct.
Supply and Demand Status: Balance
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| Texas Instruments | DigiKey | ERSAELECTRONICS PTE. LTD. | Win Source Electronics | Lingto Electronic Limited | Shenzhen Shengyu Electronics Technology Limited | |
|---|---|---|---|---|---|---|
| Product Category | LED Drivers | LED Drivers | LED Drivers | LED Drivers | LED Drivers | LED Drivers |
| Product Number | LP5521YQ/NOPB | LP5521YQ/NOPBDKR-ND | 137-LP5521YQ/NOPB | 1203907-LP5521YQ/NOPB | LP5521YQ/NOPB | LP5521YQ/NOPB |
| Product Name | LP5521 Programmable Three Channel LED Driver | LED Drivers | 25.5mA 1.25MHz LED Driver IC | PMIC - PMIC - LED Drivers - LP5521YQ/NOPB | PMIC - LED Drivers | Integrated Circuits (ICs) - Power Management (PMIC) - LED Drivers |
| Form Factor | Intgrated Circuit (IC) | Intgrated Circuit (IC) | Intgrated Circuit (IC) | |||
| Input Voltage | 2.7 to 5.5 volts | 2.7 to 5.5 volts | 2.7 to 5.5 volts | |||
| Output Voltage | 4.5 volts | 4.55 volts | 4.55 volts | 4.55 volts | ||
| Efficiency | 95 % | |||||
| Number of Channels | 3 # | 3 # |
