TPS92513DGQT datasheet(5/30 Pages) TI1

Part #	TPS92513DGQT

Description	1.5A Buck LED Driver with Integrated Analog Current Adjust

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Manufacturer	TI1 [Texas Instruments]

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TPS92513, TPS92513HV

www.ti.com

SLVSCX6 – APRIL 2015

7.4 Thermal Information

TPS92513

TPS92513HV

THERMAL METRIC(1)

UNIT

DGQ (10 PINS)

RθJA

Junction-to-ambient thermal resistance

66.7

RθJC(top)

Junction-to-case (top) thermal resistance

45.8

RθJB

Junction-to-board thermal resistance

37.5

°C/W

ψJT

Junction-to-top characterization parameter

1.8

ψJB

Junction-to-board characterization parameter

37.1

RθJC(bot)

Junction-to-case (bottom) thermal resistance

15.4

(1)

For more information about traditional and new thermal metrics, see the IC Package Thermal Metrics application report, SPRA953.

7.5 Electrical Characteristics

–40°C

≤ TJ ≤ 125°C, VVIN = 12V (unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

SUPPLY VOLTAGE (VIN)

VINUVLO

VIN undervoltage lockout threshold

No voltage hysteresis, rising and falling

2.94

V

IVINSD

Shutdown supply current

VUVLO = 0 V, 4.5 V ≤ VVIN ≤ 42 V (60 V for HV)

11.5

µA

VISENSE = 220 mV, 4.5V ≤ VVIN ≤ 42 V (60 V

IVIN

Non-switching supply current

337

407

µA

for HV)

UNDER VOLTAGE LOCKOUT (UVLO)

VUVLO

UVLO threshold voltage

Rising threshold

1.12

1.22

1.30

V

VUVLO = 1.5 V (device enabled)

3.97

UVLO pin source current

µA

VUVLO = 1 V (device disabled)

1.05

ANALOG CURRENT ADJUST (VIADJ, VISENSE)

IIADJ = 1 µA

1.8

VIADJ

IADJ clamp voltage

V

IIADJ = 100 µA

2.77

VIADJ = 1.2 V, TJ = 25°C to 125°C

191

200

210

VIADJ = 0.18 V, TJ = 25°C to 125°C

21.4

30.0

40.0

Current sense voltage

VISENSE

IIADJ = 1 µA, TJ = 25°C to 125°C

285

300

309

mV

IIADJ = 100 µA, TJ = 25°C to 125°C

286

300

309

Current sense voltage level

180 mV

≤ VIADJ ≤ 1.8V

VIADJ/6

HIGH-SIDE MOSFET (BOOT, PH)

VVIN = 4.5 V, (VBOOT – VPH) = 3.5 V

255

RDS(on)

On-resistance

m

Ω

(VBOOT – VPH) = 6 V

220

375

VBOOT

BOOT-PH voltage

VPDIM = 3V

6

V

IBOOT

BOOT-PH current

VPDIM = 0V, (VBOOT – VPH) = 5V

93.9

µA

Rising threshold

2.25

2.81

VBOOTUV

BOOT-PH under voltage lockout

V

Falling threshold

1.42

1.99

tON(min)

Minimum on time

VCOMP = 0

140

ns

ERROR AMPLIFIER (ISENSE, COMP)

Input bias current

VISENSE = 200 mV

20

nA

VIADJ = 1.2 V, 180 mV < VISENSE < 220 mV,

gM(ea)

Transconductance gain

331

µA/V

VCOMP = 1 V

DC gain

VIADJ = 1.2 V , VISENSE = 0.2 V

10

kV/V

Bandwidth

2.7

MHz

VIADJ = 1.2 V , VCOMP = 1 V,

Source/sink current

±28

µA

VISENSE = 200 mV ± 100 mV

CURRENT LIMIT

Current limit threshold

6

A

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Product Folder Links: TPS92513 TPS92513HV

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