7
DRV5023-Q1
www.ti.com.cn
ZHCSEF4G –DECEMBER 2014–REVISED MARCH 2017
Copyright © 2014–2017, Texas Instruments Incorporated
(1) T
A, MAX
is 125°C for Q Grade 1 devices and 150°C for E Grade 0 devices (see 图 26)
6.5 Electrical Characteristics
over operating free-air temperature range (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
POWER SUPPLIES (V
CC
)
V
CC
V
CC
operating voltage 2.7 38 V
I
CC
Operating supply current
V
CC
= 2.7 to 38 V, T
A
= 25°C 2.7
mA
V
CC
= 2.7 to 38 V, T
A
= T
A, MAX
(1)
3 3.5
t
on
Power-on time
AJ, BI versions 35 50
µs
FA, FI versions 35 70
OPEN DRAIN OUTPUT (OUT)
r
DS(on)
FET on-resistance
V
CC
= 3.3 V, I
O
= 10 mA, T
A
= 25°C 22
Ω
V
CC
= 3.3 V, I
O
= 10 mA, T
A
= 125°C 36 50
I
lkg(off)
Off-state leakage current Output Hi-Z 1 µA
PROTECTION CIRCUITS
V
CCR
Reverse supply voltage –22 V
I
OCP
Overcurrent protection level OUT shorted V
CC
15 30 45 mA
6.6 Switching Characteristics
over operating free-air temperature range (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
OPEN DRAIN OUTPUT (OUT)
t
d
Output delay time B = B
RP
– 10 mT to B
OP
+ 10 mT in 1 µs 13 25 µs
t
r
Output rise time (10% to 90%) R1 = 1 kΩ, C
O
= 50 pF, V
CC
= 3.3 V 200 ns
t
f
Output fall time (90% to 10%) R1 = 1 kΩ, C
O
= 50 pF, V
CC
= 3.3 V 31 ns
t
j
Output jitter
Measured from 20 000 cycles of B increasing
at a rate of 50 mT/ms (see Figure 19)
±8.5 µs
(1) 1 mT = 10 Gauss
(2) Bandwidth describes the fastest changing magnetic field that can be detected and translated to the output.
(3) |B
OP
| is always greater than |B
RP
|.
6.7 Magnetic Characteristics
over operating free-air temperature range (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
(1)
ƒ
BW
Bandwidth
(2)
20 30 kHz
DRV5023FA, DRV5023FI: 3.5 / 2 mT
B
OP
Operate point (see Figure 12 and Figure 13) 1.8 3.5 6.8 mT
B
RP
Release point (see Figure 12 and Figure 13) 0.5 2 4.2 mT
B
hys
Hysteresis; B
hys
= (B
OP
– B
RP
) 1.5 mT
B
O
Magnetic offset, B
O
= (B
OP
+ B
RP
) / 2 2.8 mT
DRV5023AJ: 6.9 / 3.2 mT
B
OP
Operate point (see Figure 12 and Figure 13) 3 6.9 12 mT
B
RP
Release point (see Figure 12 and Figure 13) 1 3.2 5 mT
B
hys
Hysteresis; B
hys
= (B
OP
– B
RP
) 3.7 mT
B
O
Magnetic offset, B
O
= (B
OP
+ B
RP
) / 2 5 mT
DRV5023BI: 14.5 / 6 mT
B
OP
Operate point (see Figure 12 and Figure 13) 6 14.5 24 mT
B
RP
Release point (see Figure 12 and Figure 13) 3 6 9 mT
B
hys
Hysteresis; B
hys
= (B
OP
– B
RP
)
(3)
8.5 mT
B
O
Magnetic offset, B
O
= (B
OP
+ B
RP
) / 2 10.3 mT
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