Datasheet > LP5890RRFR

LP5890RRFR

更新时间： 2023-09-03 20:31:36

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
70页	3084K
描述
具有 16 位 PWM 调光和超低功耗的 48x16 LED 矩阵驱动器 \| RRF \| 76 \| -40 to 85

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LP5890RRFR 数据手册

LP5890

ZHCSO29 –JULY 2021

www.ti.com.cn

LP5890

THERMAL METRIC⁽¹⁾

RRF (VQFN)

76 PINS

1.7

ZXL (BGA)

96 PINS

UNIT

R_θJC(bot)Junction-to-case (bottom) thermal resistance

°C/W

(1) For more information about traditional and new thermal metrics, see the Semiconductor and IC Package Thermal Metrics application

report.

7.5 Electrical Characteristics

At VCC = VR = 2.8V, VG/B = 3.8V and T_A= –40°C to +85°C; Typical values are at T_A= 25°C (unless otherwise specified)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

VCC

V_UVR

V_UVF

Device supply voltage

Undervoltage restart

Undervoltage shutdown

2.5

5.5

VCC rising

2.3

VCC falling

2.0

Undervoltage shutdown

hysteresis

V_UV(HYS)

0.1

2.4

SCLK/SIN = GND, internal

GCLK=0MHz, GSn = 0000h, BC =

2h, CCR/G/B = 63h, PS_EN= 1h,

VOUTn = floating, R_IREF= 7.8 kΩ

SCLK = 10 MHz, internal GCLK = 50

MHz, GSn = 1FFFh, BC = 2h,

CCR/G/B = 63h,VOUTn = floating,

R_IREF= 7.8 kΩ, I_CH= 2 mA

ICC

Device supply current

3.9

SCLK = 10 MHz, internal GCLK =

100 MHz, GSn = 1FFFh, BC = 2h,

CCR/G/B = 63h, VOUTn = floating,

R_IREF= 7.8 kΩ, I_CH= 2 mA

VR/G/B

V_IH

LED supply voltage

2.5

5.5

High level input voltage (SCLK,

SIN)

0.7 × VCC

Low level input voltage (SCLK,

SIN)

V_IL

0.3 × VCC

V_OH

High level output voltage (SOUT)

VCC-0.4

-1

VCC

0.4

IOH = –2 mA at SOUT

V_OL

Low level output voltage (SOUT) IOL = 2 mA at SOUT

I_LOGIC

Logic pin current (SCLK, SIN)

SCLK/SIN = VCC or GND

VCC = 2.8 V, T_A= 25°C

Scan switches' on-state

resistance (LINE0 to LINE15)

R_DS(ON)

190

0.8

mΩ

SCLK/SIN = GND, internal GCLK=

0MHz, GSn = 0000h, BC = 2h,

CCR/G/B = 63h, VOUTn = floating,

R_IREF= 7.8 kΩ

V_IREF

Reference voltage

VLEDR/G/B ≥2.8 V, all channel

outputs on, output current at 1 mA

0.25

0.26

0.3

VLEDR/G/B ≥2.8 V, all channel

outputs on, output current at 5 mA

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

0.41

VLEDR/G/B ≥2.8 V, IMAX=1b, all

channel outputs on, output current at

20 mA

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