iC-JJ
POWER MANAGEMENT IC
Rev A1, Page 10/17
ELECTRICAL CHARACTERISTICS
Operating conditions: +VBAT= 6..16.5V, PGND= GND, COS= 680pF,
RSET= 10k , RKL= 511 , RKLR= 511 , Tj= -40..125 C, unless otherwise noted
Item Symbol Parameter
Conditions
Tj
Fig.
Unit
C
Min.
Typ.
Max.
Boost Converter (continued)
Ipu(VA1x)
A15
Pull-Up Current in VA1x
V(VA1x) < 1V
-25
-1
µA
µA
27
-5
A16 Vr(VA1x) Transformation Ratio with
external Voltage Divider
V(VA1)= (1+R(VA1/VA1x) /
R(VA1x/AGND)) × V(VBG),
R(VA1x/AGND)= 1..5k,
V(VA1)= V(VB)..48V
2
18
R(VA1/VA1x) / R(VA1x/AGND)
K-Interface
B01 Vs(K)
B02 Vs(K)
B03 Isc(K)
Saturation Voltage at K
Saturation Voltage at K
Short-circuit Current in K
I(K)= 15.7mA, TXD= lo, T < Tab
I(K)= 32.4mA, TXD= lo, T < Tab
1.4
1.7
150
V
V
V(K)= 2..27V,
TXD= lo, t < 100ms
mA
mA
27
60
B04 C(K)
Permissible Input Capacitance K
Pull-Up Current in K
25
pF
µA
B05 Ipu(K)
V(KL, KLR)= 8..16.5V,
-80
-20
V(K)= 0.2V..V(KL, KLR)-1V
V(VA1) > V(VM) + 2V, TXD= hi
B06 Vt(K)
B07 Vt(K)
Switching Threshold at K related V(KL, KLR)= 6..16.5V, TXD= hi
to Maximum V(KL, KLR)
45
54
50
55
66
%
Switching Threshold at K during V(KL, KLR) < 5.5V
Autarky
%VCC
%VCC
27
60
B08 Vhys(K) Hysteresis at K
V(KL, KLR)= 6..16.5V or Autarky
300
2
mV
µs
B09 tf(K)
Fall Time at K
R(KLR/K)= 511 , CK < 5nF, V(K)
from hi= 80% lo= 20% V(KLR),
TXD from hi to lo
B10 In(K)
B11 Ilk(K)
Current in K
V(K)= -3V, TXD= hi
-8
mA
µA
Leakage Current in K
V(K) > KL, KLR, TXD = hi,
V(K) < 27V, VM, VMR > 0V
-20
20
B12 Vf(K)
Free-wheeling Voltage at K
I(K)= 10mA, TXD= hi
48
V
V
B13 Vpu(K)
Pull-up Current at K against
V(VM, VMR)
I(K)= -20µA, TXD= hi,
V(VM), V(VMR)= 8..16.5V
V(VA1) > V(VM) + 2V
-0.3
0.3
B14 tp(K)
B15 tp(K)
B16 dtp(K)
B17 tf(K)
Transmission Delay K RXD
Transmission Delay TXD K
Transmission Delay Difference
f
200kHz, V(K) from
6
4
2
2
1
1
µs
µs
µs
µs
25% 75% V(VM, VMR)
f
200kHz, V(K) from
75% 25% V(VM, VMR)
f
200kHz, V(K) from
K
RXD, K lo hi to K hi lo
25% 75% V(VM, VMR)
Fall Time at K
R(KLR/K)= 511 ,, CK< 10nF,
V(K) from hi= 80% lo= 20%
V(KLR), TXD from hi to lo
Watchdog
C01 tl(NRES) Reset Pulse Width lo at NRES
C02 Tu(TWD) Lower TWD Period for Reset
triggered by watchdog
6.5
8.9
µs
404
558
µs
µs
27
27
480
770
C03 To(TWD) Upper TWD Period for Reset
652
18
885
ms
ms
C04 tp(TWD) Permissible Pulse Width at TWD TWD detection at lo pulse
649.9
ms
ICHAUS [ IC-HAUS GMBH ]
