L99ASC03 datasheet(70/73 Pages) STMICROELECTRONICS

70 / 73 page

Revision history

L99ASC03

70/73

DocID023504 Rev 7

01-Aug-2013

Updated Features list and Description

Updated Figure 1: Block diagram

Updated Table 2: Pin definition and function

Updated Figure 2: Pin connection (top view)

Updated following sections:

– Section 2.1: Supply pins (VS, VSREG, VSMS)

– Section 2.1.3: VS, VSREG and VSMS undervoltage

– Section 2.5.2: Flash Mode

– Section 2.5.3: VDD Standby Mode

– Section 2.5.5: Device mode state diagram

– Section 2.5.6: Functional overview

– Section 2.8.1: Normal mode: TEMPM = ‘0’ (TW1, TSD1, TSD2)

– Section 2.8.2: Warning mode: TEMP = ‘1’ (TW1, TW2, TSD2)

– Section 2.10: Charge pump

– Section 2.11: Gate drivers

– Section 2.12.2: Drain-source monitoring in OFF state (open-load

/ short-circuit detection)

Updated Table 5: Diagnostics overview, Table 7: Absolute

maximum ratings and Table 9: ESD protection

Table 10: Operation junction temperature:

–Rthj-case: updated typical value

Table 14: Voltage regulator VDD:

–VDD: updated test condition

–dVDD/dt: updated values

Table 15: NRES reset output (VDD supervision), NINT:

–VRT2: updated values

Table 17: Charge pump output:

–VCP: updated value, added test condition

Table 18: Gate driver for external MOSFET:

–IGHx(on), IGLx(on), tPGXxLH: updated values

–IGHx(off), VGHxH, IGLxH: updated parameter and values

–IGLxH: updated parameter

Updated Figure 18: Cross-current protection time generation when

IHx and ILx are tied together

Added Figure 19: Cross-current protection time generation when

at tDT >tCCP is provided an input

Table 21: Current-sense amplifier:

–A20, A100, VIO, VCS-IL=0: updated values

Table 22: Overcurrent detection:

–VoOCMIN, VoOCMAX: updated value

Table 23: BEMF detection:

–VBEMFx, ΔVBEMFx: updated value

Table 39. Document revision history (continued)

Date

Revision

Changes

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