TLE9871QXA20_15 Datasheet, PDF (94/122 Pages) Infineon Technologies AG – Microcontroller with PWM Interface and BLDC MOSFET Driver for Automotive Applications

29.3
System Clocks
TLE9871QXA20
Electrical Characteristics
29.3.1 Oscillators and PLL Parameters
Table 27 Electrical Characteristics System Clocks
V_S = 5.5 V to 28 V, T_j = -40 °C to +150 °C, all voltages with respect to ground, positive current flowing into pin
(unless otherwise specified)
Parameter
Symbol
Values
Unit Note / Test Condition
Number
Min. Typ. Max.
PMU Oscillators (Power Management Unit)
Frequency of LP_CLK f_{LP_CLK}
14
18 22
MHz This clock is used at startup P_3.1.1
and can be used in case the
PLL fails
Frequency of LP_CLK2 f_{LP_CLK2} 70
100 130
kHz This clock is used for cyclic P_3.1.2
wake
CGU Oscillator (Clock Generation Unit Microcontroller)
Short term frequency f_TRIMST
-0.4
–
deviation¹⁾
+0.4 % ²⁾³⁾ Within any 10 ms, e.g. P_3.1.3
after synchronization to a
PWM signal (PLL settings
untouched within 10 ms)
Absolute accuracy
f_TRIMABSA -1.5
–
CGU-OSC Start-up
t_OSC
–
–
time
PLL (Clock Generation Unit Microcontroller) ³⁾
+1.5 % Including temperature and P_3.1.4
lifetime deviation
10
µs ³⁾ Startup time OSC from P_3.1.5
Sleep Mode, power supply
stable
VCO frequency range f_VCO-0
48
–
112 MHz VCOSEL =”0”
Mode 0
P_3.1.6
VCO frequency range f_VCO-1
96
–
160 MHz VCOSEL =”1”
Mode 1
P_3.1.7
Input frequency range f_OSC
4
–
16
MHz –
XTAL1 input freq. range f_OSC
4
–
16
MHz –
Output freq. range
f_PLL
0.04687 –
80
MHz –
Free-running frequency f_{VCOfree_0} –
Mode 0
–
38
MHz VCOSEL =”0”
P_3.1.8
P_3.1.9
P_3.1.10
P_3.1.11
Free-running frequency f_{VCOfree_1} –
Mode 1
–
76
MHz VCOSEL =”1”
P_3.1.12
Input clock high/low
t_high/low
10
–
time
Peak period jitter
t_jp
Accumulated jitter
jacc
-500 –
–
–
–
ns –
500
ps ⁴⁾ for K=1
5
ns ⁴⁾ for K=1
P_3.1.13
P_3.1.14
P_3.1.15
Lock-in time
t_L
–
–
200 µs –
P_3.1.16
Data Sheet
94
Rev. 1.0, 2015-04-30