Datasheet

bq500210
www.ti.com SLUSAL8C –JUNE 2011–REVISED SEPTEMBER 2012
RECOMMENDED OPERATING CONDITIONS
over operating free-air temperature range (unless otherwise noted)
MIN NOM MAX UNIT
V Supply voltage during operation, V33D, V33A 3.0 3.3 3.6 V
T
A
Operating free-air temperature range –40 125 °C
T
J
Junction temperature 125 °C
ELECTRICAL CHARACTERISTICS
over operating free-air temperature range (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN NOM MAX UNIT
SUPPLY CURRENT
I
V33A
V33A = 3.3 V 8 15
I
V33D
V33D = 3.3 V 42 55
Supply current mA
V33D = 3.3 V while storing configuration
I
V33D
53 65
parameters in flash memory
INTERNAL REGULATOR CONTROLLER INPUTS/OUTPUTS
V33 3.3-V linear regulator Emitter of NPN transistor 3.25 3.3 3.6
V
V33FB 3.3-V linear regulator feedback 4 4.6
I
V33FB
Series pass base drive V
IN
= 12 V; current into V33FB pin 10 mA
Beta Series NPN pass device 40
EXTERNALLY SUPPLIED 3.3 V POWER
V33D Digital 3.3-V power T
A
= 25°C 3 3.6 V
V33A Analog 3.3-V power T
A
= 25°C 3 3.6 V
V33 slew rate between 2.3V and 2.9V,
V33Slew V33 slew rate 0.25 V/ms
V33A = V33D
MODULATION AMPLIFIER INPUTS EAP-A, EAN-A, EAP-B, EAN-B
V
CM
Common mode voltage each pin –0.15 1.631 V
EAP-EAN Modulation voltage digital resolution 1 mV
R
EA
Input Impedance Ground reference 0.5 1.5 3 MΩ
I
OFFSET
Input offset current 1 kΩ source impedance –5 5 µA
ANALOG INPUTS V_IN, I_IN, TEMP_IN, I_COIL, LED_MODE, PMOD_THR
V
ADDR_OPEN
Voltage indicating open pin LED_MODE, PMOD_THR open 2.37 V
V
ADDR_SHORT
Voltage indicating pin shorted to GND LED_MODE, PMOD_THR shorted to ground 0.36 V
V
ADC_RANGE
Measurement range for voltage monitoring Inputs: V_IN, I_IN, TEMP_IN, I_COIL 0 2.5 V
INL ADC integral nonlinearity -2.5 2.5 mV
I
lkg
Input leakage current 3V applied to pin 100 nA
R
IN
Input impedance Ground reference 8 MΩ
C
IN
Input capacitance 10 pF
DIGITAL INPUTS/OUTPUTS
DGND1
V
OL
Low-level output voltage I
OL
= 6 mA
(1)
, V33D = 3 V V
+ 0.25
V33D
V
OH
High-level output voltage I
OH
= -6 mA
(2)
, V33D = 3 V V
- 0.6V
V
IH
High-level input voltage V33D = 3V 2.1 3.6 V
V
IL
Low-level input voltage V33D = 3.5 V 1.4 V
I
OH
(MAX) Output high source current 4 mA
I
OL
(MAX) Output low sink current 4 mA
SYSTEM PERFORMANCE
V
RESET
Voltage where device comes out of reset V33D Pin 2.3 2.4 V
t
RESET
Pulse width needed for reset RESET pin 2 µs
F
SW
Switching Frequency 110 205 kHz
(1) The maximum I
OL
, for all outputs combined, should not exceed 12 mA to hold the maximum voltage drop specified.
(2) The maximum I
OH
, for all outputs combined, should not exceed 48 mA to hold the maximum voltage drop specified.
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