NXP Semiconductors

11

80310

5.3.4

Power on reset (POR)

When a Power On Reset occurs, product internal registers are reset and the product goes into standby mode.

5.4

Operational modes

The following figure describes the battery operating voltage.

Figure 8. Battery operating voltage range

4.20

4.40

4.60

4.80

5.00

POR

BPA @ POR (V)

4.00

-40.00

-10.00

20.00

50.00

80.00

110.00

140.00

Temp(deg C)

MAX RATING

40 V

21 V

16.5 V

16 V

13.8 V

10.6 V

8.5 V

5.0 V

DC BATTERY VOLTAGE

MAX RATING

LOAD DUMP DETECTION, EXCITATION OFF

EXCITATION WITH MINIMUM PWM DUTY-CYCLE

OVER-VOLTAGE FAULT

REGULATION RANGE (PWM REGULATION)

EXCITATION AVAILABLE WITH 100% OF DUTY-CYCLE

(TARGETED VALUE IN LOGIC RAM)

PREVIOUS LOGIC CONFIGURATION IS MAINTAINED.

(LAST TARGETED VALUE STORED IN LOGIC RAM). 100% DUTY-CYCLE. NO LRC.

LOGIC RESET (DEFAULT TARGET OF REGULATION)

DETECTION (16.5 V)