DRV8801A-Q1 Datasheet, PDF (5/24 Pages) Texas Instruments – DMOS Full-Bridge Motor Drivers

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DRV8801A-Q1
SLVSC79C – JUNE 2014 – REVISED JULY 2016
6.4 Thermal Information
THERMAL METRIC⁽¹⁾
DRV8801A-Q1
RMJ (WQFN)
UNIT
16 PINS
R_θJA
R_θJCtop
R_θJB
ψ_JT
ψ_JB
R_θJCbot
Junction-to-ambient thermal resistance
Junction-to-case (top) thermal resistance
Junction-to-board thermal resistance
Junction-to-top characterization parameter
Junction-to-board characterization parameter
Junction-to-case (bottom) thermal resistance
36.8
°C/W
43.4
°C/W
14.7
°C/W
0.7
°C/W
14.7
°C/W
4.3
°C/W
(1) For more information about traditional and new thermal metrics, see the Semiconductor and IC Package Thermal Metrics application
report.
6.5 Electrical Characteristics
T_A = 25°C, over recommended operating conditions (unless otherwise noted)
PARAMETER
TEST CONDITIONS
POWER SUPPLIES (V_BB)
V_BB
V_BB operating supply voltage
I_BB
V_BB operating supply current
ƒ_PWM < 50 kHz
Charge pump on, Outputs disabled
I_BB(Q)
V_BB sleep-mode supply current nSLEEP = 0, T_J = 25°C
CONTROL INPUTS (PHASE, ENABLE, MODE1, MODE2, nSLEEP)
V_IL
Input logic low voltage
V_IH
Input logic high voltage
I_IL
Input logic low current
I_IH
Input logic high current
I_IL
Input logic low current
I_IH
Input logic high current
V_IL
Input logic low voltage
V_IH
Input logic high voltage
I_IL
Input logic low current
I_IH
Input logic high current
CONTROL OUTPUTS (nFAULT)
PHASE, ENABLE,
MODE1, MODE2
PHASE, ENABLE,
MODE1, MODE2
ENABLE
nSLEEP
V_I = 0.8 V
V_I = 2 V
V_I = 0.8 V
V_I = 2 V
V_I = 0.8 V
V_I = 2 V
V_OL
Output logic low voltage
I_O = 1 mA
DMOS DRIVERS (OUTA, OUTB, SENSE, VPROPI)
r_DS(on)
Output ON resistance
V_(TRIP)
V_f
t_pd
SENSE trip voltage
Body diode forward voltage
Propagation delay time
Source driver, I_O = –2.8 A, T_J = 25°C , V_BB = 6.5 to 36 V
Source driver, I_O = –2.8 A, T_J = 125°C, V_BB = 8 to 36 V
Source driver, I_O = –2.8 A, T_J = 125°C, V_BB = 6.5 to 8 V
Sink driver, I_O = 2.8 A, T_J = 25°C, V_BB = 6.5 to 36 V
Sink driver, I_O = 2.8 A, T_J = 125°C, V_BB = 8 to 36 V
Sink driver, I_O = 2.8 A, T_J = 125°C, V_BB = 6.5 to 8 V
R_(SENSE) between SENSE and GND
Source diode, I_f = –2.8 A
Sink diode, I_f = 2.8 A
Input edge to source or sink ON
Input edge to source or sink OFF
t_COD
Crossover delay
G_D(a)
Differential amplifier gain
PROTECTION CIRCUITS
V_BB = 8 to 36 V; SENSE = 0.1 to 0.4 V
V_BB = 6.5 to 8 V; SENSE = 0.1 to 0.3 V
MIN TYP MAX UNIT
6.5
6
3.2
36 V
mA
10 μA
0.8
V
2
–20 ≤ –2 20
µA
< 1 20
16 40
μA
40 100
0.8
V
2.7
< 1 10
μA
27 50
0.4 V
0.48
0.74 0.85
0.74 0.9
Ω
0.35
0.52 0.7
0.52 0.75
450 500 550 mV
1.4
V
1.4
600
ns
100
500
ns
4.8
5 5.2 V/V
4.8
5.2 V/V
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