Figure 6-2. LP5012 RUK Package…

Figure 6-2. LP5012 RUK Package…

Texas InstrumentsUnited States

LP5012RUKR

ActiveLED DriversWQFN

IC LED DRVR LIN PWM 35MA 20WQFN

LP5012RUKR is a 12-channel constant-current LED driver with I2C interface, 2.7V to 5.5V input voltage, 35mA max output current per channel, 20-pin WQFN package, operating temperature -40°C to 85°C, featuring ultra-low quiescent current and 12-bit PWM.Checked against the datasheet

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Technical parameters

Key specs

Outputs12
Output current per channel25.5 mAMax · Max 35 mA (VCC ≥ 3.3 V)
Input voltage2.7 ~ 5.5 V

Datasheet-verified parameters

24 items
ParameterValue and test conditionsSource
TopologyConstant-current sink
Outputs12
Output current per channelMax 25.5 mA (VCC in full range); Max 35 mA (VCC ≥ 3.3 V)
Input voltage range2.7 V to 5.5 V
PackageWQFN (20), 3.00 mm × 3.00 mm
Operating temperature-40 °C to 85 °C
GradeCommercial
RoHSYes
Quiescent current (Shutdown mode)Typ 0.2 µA, Max 1 µA (VEN = 0 V)
Quiescent current (Power-saving mode)Typ 6 µA, Max 10 µA (VEN = 3.3 V, Chip_EN = 1, Power_Save_EN = 1, all LEDs off > 30 ms)
Normal-mode supply currentTyp 4 mA, Max 6 mA (With 10-mA LED current per OUTx)
PWM switching frequencyTyp 21 kHz, Max 29 kHz
PWM resolution12-bit
I2C interface speedUp to 400-kHz fast-mode
Output saturation voltageTyp 0.25 V, Max 0.35 V (VCC in full range, 20 mA); Typ 0.3 V, Max 0.4 V (VCC ≥ 3.3 V, 20 mA)
Device to device current errorMin -5%, Max 5% (10 mA, PWM = 100%, 25°C)
Channel to channel current errorMin -5%, Max 5% (10 mA, PWM = 100%, 25°C)
Undervoltage restart voltageMax 2.5 V (VCC rising)
Undervoltage shutdown voltageMin 2 V (VCC falling)
Junction temperatureMin -40 °C, Max 125 °C
Storage temperatureMin -65 °C, Max 150 °C
ESD protection (HBM)±4000 V
ESD protection (CDM)±1500 V
Pin count20
All parameters (20)ExpandCollapse
Power
Current - Output / Channel35mA
Voltage - Output0V ~ 5.5V
Voltage - Supply (Max)5.5V
Voltage - Supply (Min)2.7V
AC and DC characteristics
Frequency29kHz
Environment and package
Mounting TypeSurface Mount
Operating Temperature-40°C~85°C(TA)
PackageTape & Reel (TR); Cut Tape (CT); Digi-Reel®
Package / Case20-WFQFN Exposed Pad
Supplier Device Package20-WQFN (3x3)
Other
ApplicationsLED Lighting
Base Product NumberLP5012
DimmingAnalog, PWM
Internal Switch(s)No
MfrTexas Instruments
Number of Outputs12
Product StatusActive
Series-
TopologyConstant Current
TypeLinear

Pinout and package

Figure 6-2. LP5012 RUK Package…
Figure 6-2. LP5012 RUK Package…
Package: WQFN (20), 3.00 mm × 3.00 mm
PinNameFunctionSource
1VCAP: Internal LDO output pin, must be connected to a 1-μF capacitor to GND
2OUT0: Current sink output 0
3OUT1: Current sink output 1
4OUT2: Current sink output 2
5OUT3: Current sink output 3
6OUT4: Current sink output 4
7OUT5: Current sink output 5
8OUT6: Current sink output 6
9OUT7: Current sink output 7
10OUT8: Current sink output 8
11OUT9: Current sink output 9
12OUT10: Current sink output 10
13OUT11: Current sink output 11
14ADDR0: I2C slave-address selection pin
15ADDR1: I2C slave-address selection pin
16VCC: Power supply
17SDA: I2C bus data line
18SCL: I2C bus clock line
19EN: Chip enable input pin
20IREF: Output current-reference global-setting pin
Thermal PadGND: Exposed thermal pad also serves the ground pin for the WQFN package

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DatasheetDatasheet · 2.5 MB · 2026-10-28
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