Datasheet > LP5891QRRFRQ1

LP5891QRRFRQ1

更新时间： 2023-09-03 20:28:33

品牌	Logo	应用领域
德州仪器 - TI		驱动驱动器
页数	文件大小	规格书
65页	2688K
描述
具有 16 位脉宽调制调光功能的汽车类 48 x 16 矩阵 LED 驱动器 \| RRF \| 76 \| -40 to 125

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LP5891QRRFRQ1 数据手册

LP5891-Q1

www.ti.com.cn

ZHCSQX1A –AUGUST 2022 –REVISED DECEMBER 2022

7.5 Electrical Characteristics (continued)

At V_CC= V_R= 2.8 V, V_G/B= 3.8 V, T_A= –40°C to +125°C; Typical values are at T_A= 25°C (unless otherwise specified)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

VLEDR/G/B ≥2.8 V, all channel

outputs on, output current at 1 mA

0.25

VLEDR/G/B ≥2.8 V, all channel

outputs on, output current at 5 mA

0.27

0.31

VLEDR/G/B ≥2.8 V, all channel

outputs on, output current at 10 mA

Channel knee voltage (R0-R15 /

G0-G15 / B0-B15)

V_KNEE

VLEDR/G/B ≥2.8 V, IMAX = 1b, all

channel outputs on, output current at

15 mA

0.37

VLEDR/G/B ≥2.8 V, IMAX=1b, all

channel outputs on, output current at

20 mA

0.41

Channel leakage current (R0-

R15 / G0-G15 / B0-B15)

I_CH(LKG)

Channel voltage at 0 V

All CHn = on, BC = 00h, CC = 31h,

VOUTn = (VLED-1)V, R_IREF= 19.05

kΩ(I_CH= 0.2-mA target), T_A= 25°C,

includes the V_IREFtolerance, at

same color grouped outputs of R0-

R15 / G0-G15 / B0-B15

±1

±0.5

±2.5

±1.5

±2.5

All CHn = on, BC = 00h, CC = 7Dh,

VOUTn = (VLED-1)V, R_IREF= 19.05

kΩ(I_CH= 0.5-mA target), T_A= 25°C,

includes the V_IREFtolerance, at

same color grouped outputs of R0-

R15 / G0-G15 / B0-B15

All CHn = on, BC = 00h, CC = FBh,

VOUTn = (VLED-1)V, R_IREF= 19.05

kΩ(I_CH= 1-mA target), T_A= 25°C,

includes the V_IREFtolerance, at

same color grouped outputs of R0-

R15 / G0-G15 / B0-B15

Constant-current channel to

channel deviation (R0-R15 / G0-

G15 / B0-B15)⁽¹⁾

ΔI_ERR(CC)

All CHn = on, BC = 2h, CC = FBh,

VOUTn = (VLED-1)V, R_IREF= 7.8

kΩ(I_CH= 5-mA target), T_A= 25°C,

includes the V_IREFtolerance, at

same color grouped outputs of R0-

R15 / G0-G15 / B0-B15

All CHn = on, BC = 6h, CC = A7h,

VOUTn = (VLED-1)V, R_IREF= 7.8

kΩ(I_CH= 10-mA target), T_A= 25°C,

includes the V_IREFtolerance, at

same color grouped outputs of R0-

R15 / G0-G15 / B0-B15

All CHn = on, BC = 7h, CC = FBh,

IMAX=1b, VOUTn = (VLED-1)V,

R_IREF= 6.8 kΩ(I_CH= 20-mA target),

T_A= 25°C, includes the V_IREF

tolerance, at same color grouped

outputs of R0-R15 / G0-G15 / B0-

B15

±0.5

±2.7

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