STM32L162ZD - 384KB Flash Cortex-M3 MCU w/ LCD | STMicro
부품 번호: STM32L162ZD ✓ 활성| 수량 | 단가 | 합계 |
|---|---|---|
| 1 | $11.42 | $11.42 |
| 10 | $10.18 | $101.80 |
| 100 | $8.65 | $865.00 |
| 500 | $7.42 | $3,710.00 |
| 1,000 | $6.38 | $6,380.00 |
STM32L162ZD 개요
A microcontroller (MCU) is a single-chip computer integrating a CPU core, Flash program memory, SRAM data memory, and a rich set of peripherals such as timers, ADC/DAC, communication interfaces (UART/SPI/I2C/USB/CAN), and I/O ports. The STM32L1 family is built around the Cortex-M3 core and is positioned as an ultra-low-power platform — sitting in the broader hierarchy of ARM Cortex-M MCUs -> 32-bit microcontrollers -> embedded processors. The STM32L162ZD specifically adds USB, AES, LCD segment driver, three rail-to-rail op-amps, and 12 Kbytes of true EEPROM emulation on top of 48 Kbytes SRAM.
Key features include 384 Kbytes of Flash, 48 Kbytes of SRAM, 12 Kbytes of EEPROM, Cortex-M3 with FPU-less MPU running up to 32 MHz, up to 114 general-purpose I/Os, a 12-bit ADC (1 Msps), two 12-bit DACs, two comparators, two op-amps (plus one more for signal conditioning), a segment LCD driver supporting up to 8x40 segments, USB FS device, three I2C, two SPI, three USART plus two UARTs, one CAN, AES-128 hardware crypto, and a real-time clock with calendar. The seven main low-power modes (Sleep, Low-power sleep, Stop with RTC, Standby with RTC, Stop without RTC, Standby without RTC, and Power-down) draw as little as a few microamperes with RTC retention.
The STM32L162 line uses a 1.8 V to 3.6 V supply range and is engineered around the ST ultra-low-leakage 130 nm process with on-chip voltage scaling. The integrated op-amps and comparators remove the need for external analog front-end circuitry in sensor-conditioning applications, while the AES block accelerates encrypted communication without loading the CPU. The flexible static memory controller (FSMC) enables external SRAM/NOR/NAND expansion when design requirements exceed the on-chip 384 Kbytes.
Typical applications include battery-powered IoT nodes, portable medical monitors, smart meters, industrial sensor hubs, USB peripherals, and LCD-keypad user-interface modules. The combination of op-amps, ADC, DAC, and AES makes it especially suitable for secure wireless sensor nodes (paired with an external RF transceiver) and battery-backed metering systems with segmented LCD displays.
When designing with this MCU, provide a clean 3.3 V LDO and place decoupling capacitors (100 nF + 4.7 uF bulk) within 5 mm of every VDD/VSS pair. The BOOT0 pin must be pulled correctly for production firmware boot, and unused I/Os should be configured as analog inputs to minimize leakage. Note that operating frequency at full 32 MHz requires VDD >= 2.1 V to stay within the voltage-scaling range.
This page consolidates distributor pricing for the STM32L162ZD, identifies verified drop-in alternatives in the STM32L1 family and across-brand second sources, and packages practical design notes (decoupling, low-power mode entry/exit, op-amp biasing) that go beyond what the manufacturer datasheet alone provides.
드롭인 대체품: STM32L162ZD — 동일 패키지, 핀 호환. PCB 재작업이 필요한 다른 패키지 부품은 제외됩니다.
빠른 비교 도구 — 나란히 비교할 대체 부품을 선택하십시오:
STM32L152ZD
✅ 드롭인📋 참조 대체품 (카탈로그에 없음)
STM32L162ZDY6TR
✅ 드롭인📋 참조 대체품 (카탈로그에 없음)
STM32L162ZD 최대 정격 & 전기적 특성
| Core | Arm Cortex-M3 (32-bit) |
| Maximum CPU Frequency | 32 MHz |
| Flash Memory | 384 Kbytes |
| SRAM | 48 Kbytes |
| EEPROM (emulated) | 12 Kbytes |
| 공급 전압 | 1.65 V to 3.6 V |
| 동작 온도 | -40 C to +85 C |
| 패키지 | 144-pin LQFP (20x20 mm) |
| 실장 유형 | Surface Mount |
| GPIO Count | Up to 114 |
| ADC | 12-bit, up to 1 Msps, 24 channels |
| DAC | 2x 12-bit |
| Comparators | 2 ultra-low-power |
| Operational Amplifiers | 3 (rail-to-rail) |
| LCD Driver | Up to 8x40 segments |
| USB | USB 2.0 Full-Speed Device |
| CAN | 1x CAN 2.0B |
| I2C / SPI / USART / UART | 3 / 2 / 3 / 2 |
| AES Hardware Crypto | AES-128 |
| RTC | Yes, with calendar and alarm |
| Low-Power Modes | 7 (Sleep, Stop, Standby, etc.) |
| MSL 레벨 | 3 (168 hours) |
| RoHS 상태 | Compliant |
STM32L162ZD 144-pin lqfp (20x20 mm) 핀 구성 가이드
STM32L162ZD(144-pin lqfp (20x20 mm) 패키지)의 핀 구성입니다. 이 디지털 IC에는 GPIO, 통신 인터페이스(UART, SPI, I2C), 전원 핀이 포함되어 있습니다. 대체 핀 기능과 구성 옵션은 제조사 데이터시트를 참조하십시오. 임베디드 시스템 설계와 PCB 레이아웃에 필수적입니다.
다음에 대한 상세 핀아웃 데이터 없음: STM32L162ZD.
다음을 참조하십시오: 데이터시트 전체 핀 구성은 다음을 참조하십시오.
일반적인 애플리케이션
STM32L162ZD 적합 용도: 6 애플리케이션s: Battery-Powered IoT Sensor Nodes, Portable Medical & Health Monitors, Smart Electricity Meters with LCD Display, Industrial Sensor Hubs & IO-Link Masters, USB HID / CDC Peripherals, Home Appliance User Interface Modules.
Battery-Powered IoT Sensor Nodes
The STM32L162ZD's seven low-power modes (drawing as little as 1.4 uA in Standby with RTC retention) and 384 KB Flash make it ideal for battery-powered IoT sensor nodes. The Cortex-M3 at 32 MHz handles sensor fusion and protocol stacks while Stop mode with RTC preserves year-long battery life on 2x AA cells. Paired with an external sub-GHz transceiver (e.g., S2-LPQTR), the L162's AES-128 hardware block secures payload encryption without CPU overhead, and the three on-chip op-amps condition thermocouple or bridge-sensor signals directly. Its 1.65-3.6 V supply also accepts a direct LiSOCl2 cell without an LDO, further cutting quiescent drain.
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Portable Medical & Health Monitors
Medical devices such as portable pulse oximeters, glucose meters, and wearable ECG patches demand low noise, low power, and long battery life — exactly the STM32L162ZD's design target. The three rail-to-rail op-amps and 12-bit 1 Msps ADC condition PPG, bio-impedance, or ECG analog front-ends directly, while the segment LCD driver powers a 4x20 character display without external charge-pump circuitry. The 32 MHz Cortex-M3 runs filtering algorithms and BLE-through-SPI control for paired phones, and AES-128 secures HIPAA-relevant patient data on the local link. Designers choose this MCU to consolidate analog front-end, display, and crypto onto one chip.
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Smart Electricity Meters with LCD Display
Smart meters require segmented LCDs, RTC calendar, tamper detection, and years of battery-backed operation from a single lithium cell. The STM32L162ZD's built-in 8x40 segment LCD driver eliminates an external charge pump and segment driver IC, while its RTC with calendar drives accurate tariff schedules and tamper timestamps. The three op-amps interface directly to current-sense shunt amplifiers and voltage dividers for metrology-grade ADC acquisition. AES-128 secures DLMS/COSEM or wireless M-Bus communication with utilities, and the seven low-power modes keep quiescent drain below the IEC 62053 battery-life target of 10+ years.
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Industrial Sensor Hubs & IO-Link Masters
The STM32L162ZD is well-suited to industrial 24 V sensor hubs and IO-Link master gateways where it must communicate over UART/SPI to downstream sensors while talking to the PLC over CAN or USB. The 1.65-3.6 V supply accepts a 3.3 V LDO derived from the 24 V rail via a wide-input buck. Its 114 GPIO pins (with most remappable) drive status LEDs, button inputs, and external SSR outputs without an I/O expander. The hardware AES-128 block authenticates IO-Link devices per the IO-Link Safety specification, while the rugged -40 to +85 C operating range meets industrial ambient requirements.
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USB HID / CDC Peripherals
The integrated USB 2.0 Full-Speed Device peripheral with on-chip transceiver makes the STM32L162ZD a natural fit for low-power USB peripherals such as HID keyboards, mice, gamepads, custom CDC serial dongles, and barcode readers. Its 32 MHz Cortex-M3 easily handles USB 1 ms polling, and the device can wake from Stop mode on USB resume to support the USB suspend current limit of 2.5 mA. Designers leverage 384 KB Flash to embed HID descriptors, multiple report formats, and device firmware update (DFU) bootloaders in a single chip. The internal pull-up resistor removes the external 5 V pull-up and minimizes BOM cost.
추천
Home Appliance User Interface Modules
Washing machines, ovens, dishwashers, and HVAC thermostats need a segmented LCD, capacitive-touch-friendly ADC channels, and years of standby on the mains — all sweet spots for the STM32L162ZD. The on-chip 8x40 LCD driver directly drives 7-segment digit displays with custom icons, while the RTC keeps accurate scheduling across power cycles. AES-128 secures over-the-air firmware updates from a paired phone or service tool. The 1.65-3.6 V supply allows direct coin-cell backup of RTC during power outages, and the seven low-power modes minimize standby energy per EU Ecodesign 2025 requirements.
추천
추천 제품 요약
엔지니어링 참조 데이터: STM32L162ZD — 비교, 설계 지침 및 규정 준수 정보.
선택 가이드
대체품과의 비교
| 파라미터 | 이 제품 | STM32L152ZD | STM32L162ZDY6TR | STM32L162VD | STM32L162QD | STM32L152VD |
|---|---|---|---|---|---|---|
| Package | LQFP-144 (20x20 mm) | LQFP-144 (20x20) - same | LQFP-144 (20x20) - same | LQFP-100 (14x14) - different | LQFP-128 (14x14) - different | LQFP-100 (14x14) - different |
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Core | Cortex-M3 | Cortex-M3 | Cortex-M3 | Cortex-M3 | Cortex-M3 | Cortex-M3 |
| Flash | 384 KB | 384 KB | 384 KB | 384 KB | 384 KB | 384 KB |
| SRAM | 48 KB | 48 KB | 48 KB | 48 KB | 48 KB | 48 KB |
| EEPROM | 12 KB | 12 KB | 12 KB | 12 KB | 12 KB | 12 KB |
| AES-128 / USB FS | Both Yes | Neither | Both Yes | Both Yes | Both Yes | Neither |
| LCD Driver | 8x40 segments | 8x40 segments | 8x40 segments | 8x40 segments | 8x40 segments | 8x40 segments |
| Pin Count | 144 | 144 | 144 | 100 | 128 | 100 |
| Lifecycle | Active | Active | Active | Active | Active | Active |
주요 차별점
- Three integrated rail-to-rail op-amps plus AES-128 hardware crypto (vs STM32L152ZD)
- USB 2.0 Full-Speed Device with on-chip transceiver (vs STM32L162VD)
- Highest pin count in L1 family at 144 pins (vs STM32L162QD)
- Seven configurable low-power modes down to 1.4 uA Standby (vs STM32F103ZE)
설계 노트
Estimated: at 32 MHz, VDD=3.3 V, the STM32L162ZD draws roughly 8-10 mA active and as little as 1.4 uA in Standby with RTC retention. Decouple each VDD/VSS pair with 100 nF X7R within 5 mm of the pin, plus a shared 4.7 uF bulk capacitor on the main 3.3 V rail. For Stop mode wakeup latency under 5 us, keep the HSI16 ready and use the RTC alarm as the wakeup source.
Route the USB DP/DM pair as a 90 ohm differential with no splits, keep the traces under 50 mm, and place the ESD protection array within 3 mm of the connector. The 144-pin LQFP has 0.5 mm pitch — use 4 mil traces and 4 mil space on outer layers for breakout. Provide a 4-layer stackup with continuous ground plane beneath the MCU for signal integrity and EMC.
Do not exceed 32 MHz at VDD below 2.1 V; the part silently clocks back in Range 2 but firmware may hang if it relies on tight timing. BOOT0 must be tied low via 10 kohm to VSS for normal Flash boot; leaving it floating causes intermittent boot failure in noisy environments. Configure unused GPIO as analog inputs (GPIO_MODER=0x3) to minimize leakage in Standby mode.
Place the 32.768 kHz crystal within 5 mm of OSC32_IN/OSC32_OUT pins with a guard ring tied to ground, and route the traces symmetrically. The HSE 1-25 MHz crystal traces should be short and surrounded by ground pour. Place the NRST reset capacitor within 1 cm of the pin with a 100 nF X7R to ground for clean power-on-reset behavior.
When using the segment LCD driver, route the COM and SEG traces with similar capacitance and avoid crossing noisy digital signals; ST provides an Excel-based LCD PCB design tool on the product page that calculates segment load and recommends bias levels. Keep analog traces (op-amp inputs, ADC reference) away from switching DC/DC nodes by at least 10 mm to avoid coupling noise into measurement channels.
규정 준수 정보
RoHS and REACH compliant per ST product page. Not AEC-Q100 qualified - use STM32L162RCT6-Q1 or similar -Q1 suffix variants for automotive.
