L9911K STMicroelectronics, L9911K Datasheet - Page 16

• Manufacturer Part Number: L9911K
• Description: IC VREG MULTIFUN AUTO MULTIWATT8
• Manufacturer: STMicroelectronics
• Series: -r

Specifications of L9911K

• Applications: Power Supply, Automotive Applications
• Voltage - Input: 7 V ~ 18 V
• Number Of Outputs: 1
• Voltage - Output: -
• Operating Temperature: -40°C ~ 150°C
• Mounting Type: *
• Package / Case: *
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 497-11624-5

Electrical specification
Note:
16/19
Table 10.
The diagnostic result is disabled during the Soft-start delay time t_ST 0...3 and the soft-start
/ soft attack timing t_SL 0...3
Figure 14. DF monitor electrical configuration
Figure 15. Short circuit drivers' protection
Field driver, DFMon driver and Relay driver are protected in switching mode (not linear), with
a retry time less than 25 ms.
Lamp driver is protected in linear mode, with a retry time of 1 s.
Alternator belt breaking
Brushes open
Field driver open
Field interruption
Field short circuit to the battery
Field short circuit to the ground
Battery discharge
Root cause
Fault detection
Doc ID 10990 Rev 9
Signal
B+
F+
P
P
P
P
P
Alternator disexcitation
Alternator disexcitation
Alternator disexcitation
Alternator disexcitation
Overvoltage
Alternator disexcitation
Undervoltage
Effect
VP<VPHH1 & VB+<Vreg
VP<VPHH1 & VB+<Vreg
VP<VPHH1 & VB+<Vreg
VP<VPHH1 & VB+<Vreg
VF+>VS1 & VB+ > Vov-d
VP<VPHH1 & VB+<Vreg
VB+<Vuv
Test detect
L9911