908E621_12 datasheet(11/60 Pages) FREESCALE

Part #	908E621

Description	Integrated Quad Half bridge and Triple High Side Embedded MCU and LIN for High End Mirror

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Manufacturer	FREESCALE [Freescale Semiconductor, Inc]

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Analog Integrated Circuit Device Data

Freescale Semiconductor

11

908E621

ELECTRICAL CHARACTERISTICS

STATIC ELECTRICAL CHARACTERISTICS

HIGH SIDE OUTPUTS HS2 AND HS3(18)

Switch On Resistance

TJ = 25 °C, ILOAD = 1.0 A

RDS(ON)-HS23

–440

500

m

Ω

Over-current Shutdown

IHSOC23

3.6

–

5.6

A

Over-current Shutdown blanking time(16)

tOCB

–4-8

–

µs

Current to Voltage Ratio(17)

VADOUT [V] / IHS [A], (measured and trimmed IHS = 2.0 A)

CRRATIOHS23

1.16

1.66

2.16

V/A

High Side Switching Frequency(16)

fPWMHS

––

25

kHz

High Side Freewheeling Diode Forward Voltage

TJ = 25 °C, ILOAD = 1.0 A

VHSF

–0.9

–

V

Leakage Current

ILEAKHS

–<0.2

10

µA

HALF-BRIDGE OUTPUTS HB1 AND HB2

Switch On Resistance

High Side, TJ = 25°C, ILOAD = 1.0A

Low Side, TJ = 25°C, ILOAD = 1.0A

RDS(ON)-HB12

–

750

900

m

Ω

Over-current Shutdown

High Side

Low Side

IHBOC12

1.0

–

1.5

A

Over-current Shutdown blanking time(19)

tOCB

–4-8

–

μs

Switching Frequency(19)

fPWM

––

25

kHz

Freewheeling Diode Forward Voltage

High Side, TJ = 25 °C, ILOAD = 1.0 A

Low Side, TJ = 25 °C, ILOAD = 1.0 A

VHSF

VLSF

–

0.9

–

V

Leakage Current

ILEAKHB

–<0.2

10

µA

Low Side Current to Voltage Ratio(20)

VADOUT [V] / IHB [A], CSA = 1, (measured and trimmed IHB = 200 mA)

VADOUT [V] / IHB [A], CSA = 0, (measured and trimmed IHB = 500 mA)

CRRATIOHB12

17.5

3.5

25.0

5.0

32.5

6.5

V/A

Notes

16.

This parameter is guaranteed by process monitoring but is not production tested.

17.

This parameter is guaranteed only if correct trimming was applied.

18.

The high side HS3 can be only used for resistive loads.

19.

This parameter is guaranteed by process monitoring but is not production tested.

20.

This parameter is guaranteed only if correct trimming was applied

Table 3. Static Electrical Characteristics (continued)

All characteristics are for the analog chip only. Refer to the 68HC908EY16 datasheet for characteristics of the microcontroller

chip. Characteristics noted under conditions 9.0 V ≤ VSUP ≤ 16 V, -40 °C ≤ TJ ≤ 125 °C, unless otherwise noted. Typical values

noted reflect the approximate parameter mean at TA = 25 °C under nominal conditions, unless otherwise noted.

Characteristic

Symbol

Min

Typ

Max

Unit

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