
DATE - 2025/10/07
UTC 智能電錶 Smart Meter應用
#UTC #UTC應用
#Smart Meter #智能電錶
UTC 智能電錶 Smart Meter應用

智能電錶對穩定供電與長期精準監測的要求極高,UTC 提供一系列專為電錶電源管理與訊號處理打造的高可靠度解決方案。
從 低靜態電流 LDO、電壓穩壓器 到 線性穩壓 IC,每款產品都經過嚴選,兼顧低功耗、高效率與長期穩定運作。
低功耗電源核心:Low IQ LDO 系列
高可靠穩壓方案:Voltage / Linear Regulator 系列
#Smart Meter #智能電錶
UTC 智能電錶 Smart Meter應用

智能電錶對穩定供電與長期精準監測的要求極高,UTC 提供一系列專為電錶電源管理與訊號處理打造的高可靠度解決方案。
從 低靜態電流 LDO、電壓穩壓器 到 線性穩壓 IC,每款產品都經過嚴選,兼顧低功耗、高效率與長期穩定運作。
低功耗電源核心:Low IQ LDO 系列
UR56XX、UR75XX、UR76XX 與 LR9282G-33 等多款 LDO 具備極低靜態電流(1~5μA)與寬輸入電壓範圍,非常適合電池供電與長期待機的電錶應用。
在 智慧計量模組、RTC 電源維持 或 感測電路穩壓 等環節,皆能提供高效率且穩定的電壓輸出。
在 智慧計量模組、RTC 電源維持 或 感測電路穩壓 等環節,皆能提供高效率且穩定的電壓輸出。
高可靠穩壓方案:Voltage / Linear Regulator 系列
從 LR1106、LR1801 到 LM317M、78L05 系列,支援 30~40V 輸入電壓與高達 1A 輸出能力,並具備 高 PSRR 抗雜訊表現(60~80dB),確保量測資料穩定不失真。
這些器件適用於 MCU 主電源、通訊模組電壓穩定 及 感測放大電路供電,在嚴苛環境下依然維持一致輸出。
這些器件適用於 MCU 主電源、通訊模組電壓穩定 及 感測放大電路供電,在嚴苛環境下依然維持一致輸出。
Category | Part No. | Description | Package |
---|---|---|---|
Low IQ LDO | UR56XX | 18VIN, 500mA, 1.5~12VOUT, Low IQ (1.0~5.0uA) | SOT-89, SOT-23-3 SOT-23-5,TO-92 |
Low IQ LDO | UR75XX | 36VIN, 70~150mA, 1.5~12VOUT, Low IQ (1.0~3.0uA) | SOT-89, SOT-23-3 SOT-23, SOT-23-5, TO-92 |
Low IQ LDO | UR76XX | 36VIN, 500mA, 1.5~12VOUT, Low IQ (1.0~3.0uA) | SOT-89, SOT-23-3 SOT-23, SOT-23-5, TO-92 |
Low IQ LDO | LR9282G-33 | 6.5VIN, 300mA, 3.3V Output, Low IQ (1.0~1.5uA) | SOT-23-3, SOT-23-5, SOT-25 SOT-89, DFN1010-4 |
Voltage Regulator | LR1106 | 8.0VIN, 400mA, 1.5~5.0VOUT | SOT-23, SOT-25, SOT-89 SOP-8, DFN1820-6 |
Linear Regulator | LR1801 | 7.0VIN, 1A, , Adj./fixed Output, 60~65dB PSRR | HSOP-8, SOT-89, SOT-89-5 TO-252, SOT-223 |
Voltage Regulator | 78L05 | 30VIN , 100mA, 5.0V Fixed Output, 60dB PSRR, 40μVrms eN | SOT-89, SOT-25, SOP-8 TO-92,TO-92NL |
Voltage Regulator | 78D05 | 35VIN , 500mA, 5.0V Fixed Output, 80dB PSRR, 40μVrms eN | SOT-23-3, SOT-23-5, SOT-353 SOT-25, DFN1616-6, DFN1820-6 |
Voltage Regulator | LM7805 | 35VIN , 1A, 5.0V Fixed Output, 80dB PSRR, 40μVrms eN | TO-220, TO-220F TO-262, TO-92 |
Voltage Regulator | LM317M | 40VIN , 500mA, 1.2~37V Adj. Output, 80dB PSRR | SOT-223, TO-220, TO-252 TO-263, SOP-8 |
Voltage Regulator | LD1117AG-ADJ | 15VIN , 1A, Adj./fixed Output linear Regulator | SOT-223, SOT-89, TO-220 TO-220F, TO-252, TO-252D TO-262, TO-263, TO-263-3 SOT-23-5, SOP-8, HSOP-8 DFN5060-8 |
Category | Part No. | Description | Package |
---|---|---|---|
Reset & Watch Dog | UWD817 | 1.0~5.5VIN, 2.63~4.65VDET, Low Active, Push-Pull, 210mS TDELAY, 1.7Sec. TWD | SOT-25 |
MCU Supervisory | UWD708 | 1.0~5.5VIN, 2.63~4.0VDET, H/L Active, Push-Pull, 200mS TDELAY, MR/FPI/FPO Function | SOP-8 |
Reset IC | UIC809-B | 1.0~6.0VIN, 2.93VDET, Low Active, Push-Pull, 140~560mS TDELAY | SOT-23-3 |
Category | Part No. | Description | Package |
---|---|---|---|
RRIO OP Amp. | LV2460/LV2461 | 2.7~6.0VCC, Low Power, Single Channel, 0.5~2mVOS, 85dB CMRR, 95dB PSRR, (LV2460 with SHDN) | SOT-26, SOT-25 |
RRIO OP Amp. | LV2462/LV2463 | 2.7~6.0VCC, Low Power, Dual Channel, 0.5~2mVOS, 80dB CMRR, 95dB PSRR, (LV2463 with SHDN) | SOP-8, MSOP-8, MSOP-10 |
RRIO OP Amp. | ULV8551 | 2.7~5.0VCC, Zero-Drift, Single Channel, 1~20μVOS, 120dB CMRR, 110dB PSRR | SOP-8 |
RRO OP Amp. | ULV2772 | 2.5~6.0VDD, High SR, Dual Channel, 0.44~2.7mVOS, 84dB CMRR, 89dB PSRR, 9V/μs SR | SOP-8, TSSOP-8 |
Category | Part No. | Description | Package |
---|---|---|---|
Relay Driver | URYD21 | Bi-Direction 5~36VIN, 300mA Driving Current 1uA IQ, 10~18Ω RDS(ON) | SOT-26 |
Category | Part No. | Description | Package |
---|---|---|---|
Logic | U74LVC1G04 | 1.65~5.5VCC, INVERTER GATE | SOT-23-5, SOT-25, SOT-353 |
Logic | U74LVC1G14 | 1.65~5.5VCC, Schmitt-Trigger INVERTER GATE | SOT-23-5, SOT-25, SOT-353 |
Logic | U74LVC1G17 | 1.65~5.5VCC, Schmitt-Trigger Buffer | SOT-23-5, SOT-25, SOT-353 |
Logic | U74LVC02A | 1.65~3.6VCC, Quad. NOR GATE | SOP-14, TSSOP-14 |
Logic | U74AUP1G14 | 0.8~3.6VCC, Schmitt-Trigger INVERTER (Low Power) | SOT-23-5, SOT-353 |
Logic | U74AUP1G57 | 0.8~3.6VCC, Configurable Multiple Function (Low Power) | SOT-363 |
Analog Switch | U74HC4051 | 2.0~10VCC, 8CH Analog Switch | DIP-16, SOP-16, TSSOP-16 QFN- 16(3x3) |
Analog Switch | U74HC4053 | 2.0~10VCC, Triple 2CH Analog Switch | DIP-16, SOP-16, TSSOP-16 |
Voltage Translator | U74AUP1T34 | 1.1~3.6VCC Dual Supply Translating Buffer (Low Power) | SOT-23-5, SOT-353 |
Voltage Translator | U74AVC4T245 | 1.2~3.6VCC 4-bit Dual Supply Bus Transceiver (with Configurable Voltage Translation and 3-State) | SOP-16, TSSOP-16 |
Voltage Translator | UTXS0108 | 1.4~3.6VCCA to 1.65~5.5VCCB 8-bit Bidirectional (With Open-Drain and Push-Pull Application) | TSSOP-20 |
Category | Part No. | Description | Package |
---|---|---|---|
LV Buck Converter | UD05123 | 2.5~5.5VIN, 1.2A, 0.6VFB , 2.25MHz Freq., 50uA IQ | SOT-25 |
LV Buck Converter | UD05151 | 3.0~5.5VIN, 1.5A, 0.6VFB ,1.5MHz Freq., 1.5ms TSS | SOT-25 |
LV Buck Converter | UD05205 | 2.5~5.5VIN, 2A, 0.6VFB ,1.5MHz Freq., LS Discharge | SOT-25 |
LV Buck Converter | UD05208 | 2.7~5.5VIN, 2A, 0.6VFB ,1.5MHz Freq., 50uA IQ | SOT-25 |
LV Buck Converter | UD05209 | 2.7~5.5VIN, 2A, 0.6VFB ,1.5MHz Freq., 250us TSS | SOT-25 |
MV Buck Converter | UD16203 | 4.5~16VIN, 2A, 0.6VFB , 1.2MHz Freq., COT | SOT-26 |
MV Buck Converter | UD18203 | 4.5~18VIN, 2A, 0.6VFB , 500KHz Freq., COT | SOT-26 |
Category | Part No. | Description | Package |
---|---|---|---|
Photocoupler | UPC817 | 35VCEO, 50mA IC, 6VR, 60mA IF, 5000VRMS VISO A/B/C/D/X/Y Rank CTR=50~600% | SMD-4, DIP-4, DIP-4M |
Photocoupler | UPC816 | 80VCEO, 50mA IC, 6VR, 60mA IF, 5000VRMS VISO A/B/C/D/X/Y Rank CTR=50~600% | SMD-4, DIP-4, DIP-4M |
Photocoupler | UTC10XX | 80VCEO, 50mA IC, 6VR, 60mA IF, 5000VRMSVISO 00~10/14/15/18/19 Rank CTR=50~600% | LSOP-4 |
Category | Part No. | Description | Package |
---|---|---|---|
Hall IC | UH81062 | Omni-polar, 2.2~5.5VIN, 1.5~3.5uA IDD, |BOP|=1.3~2.3mT/1.0~4mT, Active Low, Internal PP Resistor/Open-Drain/Push-Pull | SIP-3, SOT-23 |
Hall IC | UH8102B | Omni-polar, 2.4~5.5VIN, 3.0~20uA IDD, |BOP|=1.0~2.5mT/2.0~4.0mT/7.0mT, Active Low Open-Drain | SIP-3, SOT-23 |
Hall IC | UH8105 | Omni-polar, 2.5~5.5VIN, 5.0~10uA IDD, |BOP|=1.5~4.5mT/1.5~3.5mT, Active Low Push-Pull | SOT-23-3 |
Category | Part No. | Description | Package |
---|---|---|---|
RS-232 Interface | UT3243A | 3.0~5.5VCC, 235Kbps, 3D5R, SHDN/EN Function | SSOP-28, TSSOP-28 QFN-32(5x5mm) |
RS-232 Interface | UT3232 | 3.0~5.5VCC, 250Kbps, 2D2R, SHDN/EN Function | SSOP-20N, TSSOP-20 |
RS-485 Interface | UTRS485 | 5.0VCC, 500Kbps, 1D1R, EN Function, ±12KV ESD Protection | DIP-8, SOP-8 |
RS-485 Interface | UTRS3088 | 5.0VCC, 1.0Mbps, 1D1R, EN Function, ±15KV ESD Protection | SOP-8 |
RS-485 Interface | UTRS3080 | 5.0VCC, 500Kbps, 1D1R, EN Function, ±12KV ESD Protection | SOP-14 |
Category | Part No. | Description | Package |
---|---|---|---|
MOSFET | UD4606Z | ±30VDS, 6.9A/-6A, N & P-Channel MOSFET (with ESD Protection) | SOP-8 |
MOSFET | UT5003Z | ±30VDS, 7A/-5A, N & P-Channel MOSFET (with ESD Protection) | SOP-8 |
MOSFET | UT6402 | 30VDS, 6.9A, N-MOSFET, RDS(ON)=22.5~42mΩ | SOT-23, SOT-26 |
MOSFET | 6N10 | 100VDS, 6.5A, N-MOSFET, RDS(ON)=150~450mΩ | TO-252, TO-252D SOT-223, SOP-8 |
MOSFET | 3N80 | 800VDS, 3A, N-MOSFET, RDS(ON)=3.2~4.2Ω CISS=485pF, QG=19nC | TO-220, TO-220F/F1/F2 TO-251/S4, TO-252 |
MOSFET | 4N80-FCQ | 800VDS, 4A, N-MOSFET, RDS(ON)=4.7Ω CISS=520pF, QG=14.5nC | TO-220F/F1/F2, TO-251, TO-252 |
MOSFET | 2N90 | 900VDS, 2.2A, N-MOSFET, RDS(ON)=5.7~7.2Ω CISS=480pF, QG=16nC | TO-220, TO-220F, TO-251 TO-252, TO-252D |
MOSFET | 2N90-C | 900VDS, 2A, N-MOSFET, RDS(ON)=6.5Ω CISS=375pF, QG=13.5nC | TO-220, TO-220F/F1 TO-251, TO-252 |
MFET | 4N120 | 1200VDS, 4A, N-MOSFET, RDS(ON)=3.8Ω CISS=1340pF, QG=41nC | TO-220, TO-220F |
Category | Part No. | Description | Package |
---|---|---|---|
Transistor | 2SB772SG-P | PNP, -30VCEO, -3A, hFE=160~320 | SOT-223, SOT-89, TO-92 |
Transistor | 2SB1132G-R | PNP, -32VCEO, -1A, hFE=180~390 | SOT-89, SOT-23, SOT-323 TO-252 |
Transistor | 2SB1260G-Q | PNP, -80VCEO, -1A, hFE=120~270 | SOT-223, SOT-89, TO-252 |
Transistor | 2SB649AL-C | PNP, -160VCEO, -1.5A, hFE=100~200 | SOT-223, SOT-89, TO-252 TO-92/NL, TO-126/C/S |
Transistor | 2SC4672G-B | NPN, 50VCEO, 3A, hFE=200~400 | SOT-89 |
Transistor | 2SD669AG-C | NPN, 160VCEO, 1.5A, hFE=100~200 | SOT-223, SOT-89, TO-252 SOT-23, TO-251, TO-92/NL TO126/C/S |