DRV3203-Q1_15 Datasheet, PDF (20/37 Pages) Texas Instruments – Three-Phase Brushless Motor Driver

DRV3203-Q1
SLVSC09A – MAY 2013 – REVISED JUNE 2013
Table 5. Pre-Driver Electrical Characteristics
PARAMETER
CONDITIONS
VB = 12 V unless otherwise stated, T_A = –40ºC to +125℃, unless otherwise specified
HIGH-SIDE PRE-DRIVER
VOH_H
Output voltage, turnon side
Isink = 10 mA, PDCPV - xH
VOL_H
Output voltage, turnoff side
Isource = 10 mA, xH - xHS
RONH_HP On-resistance, turnon side (Pch) U(V/W)H = PDCPV - 1 V
RONH_HN On-resistance, turnon side (Nch) U(V/W)H = PDCPV - 2.5 V
RONL_H
t_{on_h1} ⁽¹⁾
t_{off_h1} ⁽¹⁾
t_h-ondly1 ⁽¹⁾
t_h-offdly1 ⁽¹⁾
VGS_hs
On-resistance turnoff side
Turnon time
Turnoff time
Output delay time
Output delay time
Gate-source high -side voltage
difference
C_L = 12 nF, R_L = 0 Ω from 20% to 80%
C_L = 12 nF, R_L = 0 Ω from 80% to 20%
C_L = 12 nF, R_L = 0 Ω to 20%, no dead time
C_L = 12 nF, R_L = 0 Ω to 80%, no dead time
xH-xHS
LOW-SIDE PRE-DRIVER
VOH_L1 Output voltage, turnon side
VB = 12 V, Isink = 10 mA, xL -NGND
VOH_L2 Output voltage, turnon side
VB = 5.3 V, Isink = 10 mA, xL - NGND
VOL_L
Output voltage, turnoff side
Isource = 10 mA, xL - NGND
RONH_L On-resistance, turnon side
RONL_L On-resistance, turnoff side
t_{on_l} ⁽¹⁾
Turnon time
C_L = 18 nF, R_L = 0 Ω,
from 20% to 80% of 12 V,
from 20% to 80% of 6 V (VB = 5.3 V)
t_{off_h} ⁽¹⁾
Turnoff time
C_L = 18 nF, R_L = 0 Ω,
from 80% to 20% of 12 V,
from 80% to 20% of 6 V (VB = 5.3 V)
t_l-ondly ⁽¹⁾
Output delay time
C_L = 18 nF, R_L = 0 Ω,
to 20% of 12 V,
to 20% of V_OH = 6 V (VB = 5.3 V),
no dead time
t_l-offdly ⁽¹⁾
Output delay time
C_L = 18 nF, R_L = 0 Ω,
to 80% of 12 V,
to 80% of V_OH = 6 V (VB = 5.3 V),
no dead time
t_diff1 ⁽¹⁾
Differential time1
(Th-on) - (Tl-off), no dead time,
See Figure 12
t_diff2 ⁽¹⁾
Differential time2
(Tl-on) - (Tl-off), no dead time,
See Figure 12
t_dead ⁽¹⁾
Dead time
OSC1 = 10 MHz SPI register PDCFG.DEADT
(1) Specified by design
www.ti.com
MIN TYP MAX UNITS
1.35
25
135
4
2.5
50
-
50
-
- 200
- 200
-0.3
2.7 V
50 mV
270 Ω
8Ω
5Ω
200 ns
200 ns
- ns
- ns
18 V
10
12
5.5 7.5
-
25
-
6
2.5
14 V
10 V
50 mV
12 Ω
5Ω
50
- 200 ns
50
- 200 ns
- 200
- ns
- 200
- ns
-200
-200
2
1.5
1
0.5
0 200 ns
0 200 ns
2.2
1.7
1.2
µs
0.7
20
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