DRV2603_14 Datasheet, PDF (3/19 Pages) Texas Instruments – Haptic Drive with Auto-Resonance Detection for Linear Resonance Actuators (LRA)

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DRV2603
SLOS754A – JUNE 2012 – REVISED JANUARY 2014
THERMAL INFORMATION
THERMAL METRIC⁽¹⁾
RUN (10 pins)
UNITS
θ_JA
θ_JCtop
θ_JB
ψ_JT
ψ_JB
θ_JCbot
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
153.7
86
70.4
1.3
70.4
n/a
°C/W
(1) For more information about traditional and new thermal metrics, see the IC Package Thermal Metrics application report, SPRA953.
RECOMMENDED OPERATING CONDITIONS
V_DD
f_PWM
R_L
F₀
V_IL
V_IH
T_A
Supply voltage
PWM Input frequency
Load Impedance
Supported LRA frequency
Digital input low voltage
Digital input high voltage
Operating free-air temperature
range
VDD
V_DD = 5.2 V
Auto resonance tracking range for LRA
EN, PWM, LRA/ERM
EN, PWM, LRA/ERM
MIN TYP MAX UNIT
2.5
5.2 V
10
250 kHz
8
Ω
140
220 Hz
0.6 V
1.2
V
-40
85 °C
ELECTRICAL CHARACTERISTICS
T_A = 25°C, V_DD = 3.6 V (unless otherwise noted)
PARAMETER
TEST CONDITIONS
|I_IL|
Digital input low current
|I_IH|
Digital input high current
I_SD
I_DDQ
R_OUT
t_SU
f_SW
Shut down current
Quiescent current
Output impedance in shutdown
Start-up time
PWM output frequency
I_BAT,AVG
Average battery current during
operation
EN, PWM, LRA/ERM
V_DD = 5.0 V, V_IN = 0 V
EN
V_DD = 5.0 V, V_IN = V_DD
PWM, LRA/ERM
V_DD = 5.0 V, V_IN = V_DD
V_EN = 0 V
V_EN = V_DD, ERM Mode, 50% duty cycle input, No load
OUT+ to GND, OUT– to GND
Time from EN high to output signal
Duty Cycle = 100%, LRA Mode, Load = 25 Ω LRA
Duty Cycle = 80%, ERM Mode, R_L = 17 Ω, 2V rated
ERM
R_DS-HS
R_DS-LS
V_OUT
Drain to source resistance, high-side
Drain to source resistance, low-side
Differential output voltage
Duty Cycle = 100%, LRA Mode, Load = 25 Ω LRA
Duty Cycle = 100%, ERM Mode, R_L = 20 Ω ERM
MIN TYP MAX UNIT
1 µA
6 µA
3 µA
0.3
3 µA
1.7 2.5 mA
15
kΩ
1.3
ms
19.5 20.3 21.5 kHz
55
mA
59
1.05
0.85
2.2
3.3
Ω
Ω
V_RMS
V
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