LP5891 datasheet(6/74 Pages) TI

6 / 74 page

THERMAL METRIC(1)

LP5891

UNIT

RRF (VQFN)

ZXL (BGA)

76 PINS

96 PINS

RθJC(bot)

Junction-to-case (bottom) thermal resistance

1.7

°C/W

(1)

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

report.

6.5 Electrical Characteristics

At VCC = VR = 2.8 V, VG/B = 3.8 V, TA = –40°C to +85°C for LP5891RRFR and LP5891ZXLR while TA = –40°C to +125°C for

LP5891MRRFR; Typical values are at TA = 25°C (unless otherwise specified)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

VCC

Device supply voltage

2.5

5.5

VUVR

Undervoltage restart

VCC rising

2.3

VUVF

Undervoltage shutdown

VCC falling

2.0

VUV(HYS)

Undervoltage shutdown

hysteresis

0.1

ICC

Device supply current

SCLK/SIN = 10 MHz,

MPSM_EN=1bit, Matrix PSM enable,

internal GCLK off, GSn = 0000h, BC

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

VOUTn = floating, RIREF = 7.8 kΩ (In

intelligent power save mode)

0.9

SCLK/SIN = 10 MHz, Standby

enable, internal GCLK off, GSn =

0000h, BC = 2h, CCR/G/B = 63h,

PS_EN= 1h, VOUTn = floating,

RIREF = 7.8 kΩ (In intelligent power

save mode)

0.9

SCLK/SIN = 10 MHz,

PSP_MOD=1bit, internal

GCLK=50MHz, GSn = 0000h, BC =

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

VOUTn = floating, RIREF = 7.8 kΩ (In

power save mode)

3.6

SCLK = 10 MHz, internal GCLK =

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

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

RIREF = 7.8 kΩ, ICH = 2 mA

3.6

SCLK = 10 MHz, internal GCLK =

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

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

RIREF = 7.8 kΩ, ICH = 2 mA

4.9

VR/G/B

LED supply voltage

2.5

5.5

VIH

High level input voltage (SCLK,

SIN)

0.7 × VCC

VIL

Low level input voltage (SCLK,

SIN)

0.3 × VCC

VOH

High level output voltage (SOUT) IOH = –2 mA at SOUT

VCC-0.4

VCC

VOL

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

0.4

ILOGIC

Logic pin current (SCLK, SIN)

SCLK/SIN = VCC or GND

-1

RDS(ON)

Scan switches' on-state

resistance (LINE0 to LINE15)

VCC = 2.8 V, TA= 25°C

190

mΩ

VIREF

Reference voltage

SCLK/SIN = GND, internal GCLK=

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

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

RIREF = 7.8 kΩ

0.8

LP5891

SLDS269A – MARCH 2022 – REVISED MAY 2022

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