L99H92 datasheet(31/77 Pages) STMICROELECTRONICS

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Table 26. Charge pump electrical characteristics

Item Symbol

Parameter

Test condition

Min.

Typ.

Max.

Unit

5.5.1

VCP

Charge pump output voltage

VDH = 5.5 V, ICP = -5 mA

VDH+6.2

VDH+7

5.5.2

VDH ≥ 8 V, ICP = -10 mA

VDH+8.2 VDH+12 VDH+13.5

5.5.3 VCP_low

Charge pump low threshold voltage

VDH+4.5

VDH+5

VDH+5.5

5.5.4

ICP_lim

Charge pump output current limitation

VCP=VDH, VDH=13.5 V

5.5.5

tCP

Charge pump low filter time

Tested by scan

µs

5.5.6

fCP

Charge pump frequency

Tested by scan

300

400

500

kHz

5.6

Full-bridge driver

The voltages are referred to power ground and currents are assumed positive, when the current flows into the pin.

6 V ≤ VDH ≤ 28 V 6 V ≤ VS ≤ 28 V; TJ = -40 °C to 150 °C, unless otherwise specified.

Table 27. Full-bridge driver

Item

Symbol

Parameter

Test condition

Min.

Typ.

Max.

Unit

5.6.1

IGHx(Ch)

Average charge/

discharge current switch

mode

VSH=VDH=13 V average current on 180 nF

cap between VGhx=VSHx+3 V and VSHx+6

TJ= 25 °C

0.42

5.6.2

RGHx

On-resistance (discharge-

stage)

VSHx = 0 V; IGHx = 50 mA; TJ = 25 °C

Ω

5.6.3

VSHx = 0 V; IGHx = 50 mA; TJ = 130 °C

Ω

5.6.4

VGSHx

Gate-on voltage

VDH = VSH = 5.5 V ; ICP = -5 mA

VSHx +

5.6.5

VDH = VSH ≥ 8 V ; ICP = -10 mA

VSHx +

VSHx

+10

VSHx

+11.5

5.6.6

RGSHx

Passive gate-clamp

resistance

RGH=(VGHx_a-VGHx_b)/(IGHx(VGHx_a)-

IGHx(VGHx_b))

VGHx_a=8 V, VGHx_b=1 V

VSHx=0 V

10.5

19.5

kΩ

5.6.7

IGLx(Ch)

Average charge/

discharge current switch

mode

VSL=0V VDH=13 V average current on 180

nF cap between VGLx=VSLx+3 V and

VSLx+6 V

TJ = 25 °C

0.42

5.6.8

RGLx

On-resistance (discharge-

stage)

VSLx = 0 V; IGLx = 50 mA; TJ = 25 °C

Ω

5.6.9

VSLx = 0 V; IGLx = 50 mA; TJ = 130 °C

Ω

5.6.10

VGLx

Gate-on voltage

VSL=0 V

VDH = 5.5 V; ICP = -5 mA

VSLx

5.6.11

VSL=0 V

VDH ≥ 8 V; ICP = -10 mA

VSLx

+10

VSLx

+12.5

5.6.12

RGSLx

Passive gate-clamp

resistance

RGH=(VGLx_a-VGLx_b)/(IGLx(VGLx_a)-

IGLx(VGLx_b))

VGLx_a=8 V, VGLx_b=1 V

VSLx=0 V

10.5

19.5

kΩ

L99H92

Full-bridge driver

DS14069 - Rev 4

page 31/77

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