TLE7184F Datasheet, PDF (30/35 Pages) Infineon Technologies AG – System IC for B6 motor drives

TLE7184F
Description of Modes, Protection and Diagnostic Functions
Electrical Characteristics - Protection and diagnostic functions (cont’d)
V_S = 7.0 to 33V, T_j = -40 °C to +150 °C, all voltages with respect to ground, positive current flowing into pin
(unless otherwise specified)
Pos. Parameter
Symbol
Limit Values
Unit Conditions
Min. Typ. Max.
9.4.20 Under Voltage diagnosis filter time t_UVVR
10
–
for VREG
30
µs
–
9.4.21 Under Voltage shut down at VREG V_VRSD 1.5
–
2.3
V
VREG decreasing
9.4.22 Under Voltage lockout at VS
V_VSLO
4.4
5.0
5.5
V
V_VS decreasing
9.4.23 Under Voltage lockout filter time for t_UVLO
1
–
3
µs
–
VS
ERR pin¹⁾
9.4.24 ERR output voltage
V_ERR
4.4
–
–
V
No external load
9.4.25 Rise time ERR (20 - 80% of internal t_f(ERR)
–
–
3
µs
C_LOAD=1nF;
5V)
9.4.26 Internal pull-down resistor ERR to R_f(ERR) 25
–
GND
52
kΩ –
Reset and Enable
9.4.27 Low time of uC RGS signal without t_nres
–
–
0.5
µs
–
reset
9.4.28 Low time of uC RGS pin necessary t_res
3
–
–
µs
–
to trigger reset and to clear error
registers
Wake-up and go-to-sleep
9.4.29 Low level input voltage of RGS
V_RGSLL
–
–
9.4.30 High level input voltage of RGS V_RGSHL 2.8
–
9.4.31 Input hysteresis of RGS²⁾
d_RGS
100 –
9.4.32
9.4.33
RGS pull-down resistors to GND R_RGS
Low level input voltage of INH³⁾ for V_INHL
wake up
100 –
–
–
9.4.34 High level input voltage of INH³⁾ for V_INHH
2.1
–
wake up
1.6
V
–
–
V
–
–
mV –
210 kΩ –
0.75 V
–
–
V
–
9.4.35 INH pull-down resistors to GND R_INH
100 –
9.4.36 Wake up delay time
t_wake
9
–
9.4.37 RGS low time for go-to-sleep
t_sleep
20
–
9.4.38 V_DD voltage for changing
V_DDsleep 1.5
–
from Go-to-Sleep Mode to Sleep
Mode
210 kΩ –
17
ms
50
µs
2.3
V
–
9.4.39 V_DD Under Voltage Shut Down
V_UVSDVDD 1.5
–
2.3
V
–
1) ERR pin and Reset & Enable functional between V_VS=6 ... 7V, but characteristics might be out of specified range
2) Not subject to production test; specified by design
3) These levels are valid for wake up of the IC. The input levels for INH deciding the output state of INHD are shown in
Chapter 8.4
Data Sheet
30
Rev. 1.0, 2008-12-04