General outline
The TC7717FTG is a DC-AC control interface IC. It is used for photovoltaic system power conditioner.
This device incorporates input and output pins of controller signal, 12-bit ADC, differential circuit for detection,
S/P interface, and Boost-ICNote1 interface.

Features
 Process: C-MOS
 Internal reference power supply: 1.5 V (typ.) and 3.0 V (typ.)
 Input voltage
AVDD and DVDD: 3.3 V±0.3 V
ADVREF: 3.0 V (typ.)
 UVLO function by AVDD pin: Malfunction prevention in under voltage
Release: 2.7 V (max)
Stop: 2.2 V (min)
 Built-in 12-bit SAR AD converter (ADC core0 and core1)
Operation of 3.3 V single power supply, conversion time 1 μs
Main CLK: 40 MHz (typ.), External CLK of PLL reference: 10 MHz (typ.)
 Sampling function
AC current (AIN0 core0), DC voltage (AIN0 core1)
System voltage VU-VO (AIN1 core0), VW-VO (AIN1 core1)
 Detection function
AC/DC current component detection (IDCERR), system voltage
detection (VUO_OUT)
System zero cross detection (L_HZO)
DC current detection (I_INV)
 Analog (comparator detection threshold) monitor function
 S/P interface input (slave side)
Comparator threshold correction (±10 %)
DC over current (DC_OC_REF), DC over voltage (DC_OV_REF)
AC over current (AC_OC_REF), AC limit current (AC_CL_REF)
Analog (comparator detection threshold) monitor selection
DC over current (DC_OC), DC over voltage (DC_OV)
AC over current (AC_OC), AC limit current (AC_CL)
 Boost-IC interface (target device T5DK1FG, master side)
ADC start signal (ADST), data transfer clock (ADCLK)
ADC sampling data signal (DOUT0 and DOUT1)
 External reset input pin: C-MOS input
 Package QFN40 (6.0 mm × 6.0 mm, 0.5 mm Pitch)
Note 1: ”Boost-IC”: Dedicated controller (T5DK1FG)