Datasheet

SIGNAL ANDPINNAMING
TPS2359
www.ti.com SLUS792H –FEBRUARY 2008–REVISED MAY 2013
ELECTRICAL CHARACTERISTICS (continued)
IN3A = IN3B = VDD3A = VDD3B = 3.3 V. IN12A = IN12B = SENPA = SENPB = SENMA = SENMB = SETPA = SETPB = 12
V. EN3A = EN3B = AGND = GNDA = GNDB = 0 V. SUM12A = SUM12B = 6.8 kΩ to ground. SUM3A = SUM3B = 3.3 kΩ to
ground. All other pins open. All I2C bits at default values. Over free air temperature operating range and all voltages
referenced to AGND, -40°C ≤ T
A
≤ 85°C, unless otherwise noted.
PARAMETER CONDITIONS MIN TYP MAX UNITS
Supply Currents (I
INx
+ I
SENPx
+ I
SENMx
+ I
SETx
+ I
VDDx
)
All channels enabled I
OUT3A
= I
OUT3B
= 0 3.1 4
mA
All channels disabled 2.0 2.8
Thermal Shutdown
Whole-chip shutdown temperature T
J
rising, I
OUT3A
= I
OUT3B
= 0 140 150
3.3-V channel shutdown
T
J
rising, I
OUT3A
or I
OUT3B
in current limit 130 140 °C
temperature
Hysteresis Whole chip or 3.3-V channel 10
Serial Interface (SDA, SCL, A0–2, IRPT
Lower logic threshold A0 – A2 0.33 0.35 0.37
V
Upper logic threshold A0 – A2 1.32 1.35 1.38
Input pullup resistance A0 – A2, V
Ax
= 0 V 400 700 1000
kΩ
Input pulldown resistance A0 – A2, V
Ax
= VINT 200 350 550
Input open-circuit voltage IAx = 0 V 0.5 0.8 1.0
Threshold voltage, rising SDA, SCL 2.3 V
Threshold voltage, falling SDA, SCL 1.0
Hysteresis SDA, SCL 165 mV
Leakage SDA, IRPT 1 µA
Input clock frequency SCL 400 kHz
Figure 2. Signal and Pin Naming Convention
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