Datasheet

TMC2590 DATASHEET (V1.0 / 2019-FEB-22) 58
www.trinamic.com
Clock Oscillator and CLK
Input
Timing Characteristics
Parameter
Symbol
Conditions
Min
Typ
Max
Unit
Clock oscillator frequency
f
CLKOSC
t
J
=-50°C
10.0
13.5
MHz
Clock oscillator frequency
f
CLKOSC
t
J
=50°C
10.8
14.3
17.5
MHz
Clock oscillator frequency
f
CLKOSC
t
J
=150°C
14.5
18.0
MHz
External clock frequency
(operating)
f
CLK
Typ. at 40%/60%
dutycycle, Max at 50%
dutycycle
4
10-13.4
16
MHz
External clock high / low level
time
t
CLK
16
ns
External clock first pulse to
trigger switching to external
CLK
t
CLKH
/
t
CLKL
CLK driven high (2018
Lot 3851, only)
Later ICs
25
16
ns
External clock transition time
t
TRCLK
V
INLO
to V
INHI
or back
20
ns
External clock timeout
detection in cycles of internal
f
CLKOSC
x
timeout
External clock stuck at
low or high
32
48
cycles
f
CLKOSC
Detector Levels
DC Characteristics
Parameter
Symbol
Conditions
Min
Typ
Max
Unit
V
VS
undervoltage threshold
high
V
UV
EN_PFD=0
6.5
7
7.5
V
V
VS
undervoltage threshold
low
V
UV
EN_PFD=1
3.25
3.8
4.25
V
Short to GND detector
threshold (high setting)
(V
VS
- V
BMx
)
V
BMS2G
1.2
1.7
2.3
V
Short to GND detector
threshold (sensitive setting)
(V
VS
- V
BMx
)
V
BMS2G
0.7
1.0
1.3
V
Short to VS detector threshold
(V
BMx
)
V
BMS2VS
1.3
1.5
1.8
V
Short to GND detector delay
(low-side gate off detected to
short detection)
t
S2G
TS2G=00
2.0
3.2
4.5
µs
TS2G=10
1.6
µs
TS2G=01
1.2
µs
TS2G=11
0.8
µs
Overtemperature warning
t
OTPW
85
100
115
°C
Overtemperature release
t
OTR
Temperature falling
120
°C
Overtemperature shutdown lo
t
OTL
Temperature rising
136
°C
Overtemperature shutdown hi
t
OTH
Temperature rising
135
150
170
°C