Wide-range band-gap reference voltage source

• Main Authors: ZHANG YE, ZHA MENGFAN, SONG ZIQI, ZHAI SHIQI, ZHAI XIANXU, GAN CHUNZHAO, TIAN JINAN, TAO WEN, WANG TIANCHEN, HE DIAN, WU YONG, LI QING, WANG WENQIANG
• Format: Patent
• Language: Chinese; English
• Published: 28.03.2023
• Subjects: CONTROLLING; PHYSICS; REGULATING; SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES

The invention discloses a wide-range band-gap reference voltage source, which comprises an amplifying circuit, a second amplifying circuit, a third amplifying circuit, a fourth amplifying circuit and a fourth amplifying circuit, the voltage generating circuit comprises a first triode, a second triode, a first resistor, a second resistor, a third resistor, a fourth resistor and a fifth resistor; the source electrode of the first NMOS tube is grounded after passing through a third resistor, a fourth resistor and a fifth resistor in sequence; the collector of the first triode is connected with the first end of the first current mirror, the base is connected with the base of the second triode, and the emitter is grounded after passing through the first resistor and the second resistor in sequence; the collector of the second triode is connected with the second end of the first current mirror, the base is connected between the third resistor and the fourth resistor, and the emitter is connected between the first r