Si8512-C-IS Silicon Laboratories Inc, Si8512-C-IS Datasheet - Page 17

• Manufacturer Part Number: Si8512-C-IS
• Description: Board Mount Current Sensors 10A DUAL OUTPUT 5kV
• Manufacturer: Silicon Laboratories Inc
• Type: AC Current Sensorr
• Series: -r

Specifications of Si8512-C-IS

• Current Rating: 10 A
• Supply Voltage: 2.7 V to 5.5 V
• Frequency Range: 50 KHz to 1 MHz
• Operating Temperature: - 40 C to + 125 C
• Accuracy: 5 %
• Current - Sensing: 10A
• Sensitivity: 196mV/A
• Current - Supply: 4mA
• Sensor Type: Closed Loop
• Voltage - Supply: 2.7 V ~ 5.5 V
• Output: Configurable
• Frequency: 50kHz ~ 1MHz
• Response Time: -
• Polarization: Unidirectional
• Package / Case: 20-SOIC (0.295", 7.50mm Width)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: 336-1425 - BOARD EVAL CURRENT SENSOR 10A

As explained in Section “2.3. Integrator Reset and Current Measurement”, the signals applied to R1–R4 can
control integrator reset in real time (Option 1), or they can trigger a reset event of programmable duration (Option
2). Referring to Figure 13, reset timing is exclusively a function of the signals applied to R1–R4 when TRST is tied
to VDD.
If not connected to VDD, the reset timer is enabled, and TRST must be connected through a resistor to ground to
set the reset duration (t
pulse whenever the reset logic output transitions from low to high.
output voltage > VDD
Required if driver
CONTROLLER
SYSTEM
Internal
Driver
R2
R3
R4
R1
External
Logic level gate
control signals
Driver
(to Rn inputs)
Logic level gate
control signals
(to Rn inputs)
R
). Note that the reset timer is retriggerable and generates a timed integrator discharge
Figure 13. Si851x Integrator Reset Logic
Preliminary Rev. 0.21
MODE = 1
MODE = 1
MODE = 0
R4 = 1
R4 = 0
Output 1
Output 2
Output 3
CLK
Reset timing determined
RESET
TIMER
only by inputs R1–R4.
TRST = VDD
PGM
OUT
1
INTEGRATOR
0
+
R1–R4. Reset time (t
by value of resistor R
Reset triggered by inputs
VREF
TRST
TRST = R1 to GND
Si85xx
R
TRST
) set
.
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