TPSM82822A - 2A Step-Down Module, Integrated Inductor | TI
부품 번호: TPSM82822A ✓ 활성| 수량 | 단가 | 합계 |
|---|---|---|
| 1 | $2.15 | $2.15 |
| 10 | $1.93 | $19.30 |
| 100 | $1.62 | $162.00 |
| 500 | $1.38 | $690.00 |
| 1,000 | $1.19 | $1,190.00 |
TPSM82822A 개요
A step-down converter, or buck converter, is a switching voltage regulator that efficiently reduces a higher DC input voltage to a lower regulated output. Within the power management IC hierarchy, the TPSM82822A is a power module: it integrates the buck converter IC, power MOSFETs, and the magnetic inductor into one surface-mount package, collapsing an entire DC-DC solution into about 5 mm2 of board area.
Key features include a 2.4 V to 5.5 V input range, 2 A continuous output current, forced PWM operation for constant 2.2 MHz switching frequency and predictable EMI, power-good output, enable pin, and internal soft-start. Efficiency reaches approximately 95% at typical loads, and the high operating frequency allows small external capacitors and low output ripple.
Technically, the module uses a synchronous buck architecture with integrated low-DS(on) MOSFETs and a proprietary control scheme. Integrating the inductor inside the package minimizes parasitic loop inductance, reduces radiated EMI, and enables automated assembly with standard surface-mount equipment per the TPSM8282x datasheet.
Typical applications include powering FPGAs, DSPs, ASICs, and MCUs in industrial systems, optical modules, solid-state drives, and portable devices where board space is at a premium. Forced PWM keeps output ripple low and constant-frequency, suiting noise-sensitive analog and RF rails.
Design consideration: follow the datasheet input/output capacitor recommendations exactly for stability, and provide adequate thermal copper area for sustained 2 A loads; the module does not eliminate thermal design entirely.
드롭인 대체품: TPSM82822A — 동일 패키지, 핀 호환. PCB 재작업이 필요한 다른 패키지 부품은 제외됩니다.
이 시리즈의 변형
다음과 드롭인 호환되는 동일 시리즈 모델: TPSM82822A (동일 폼 팩터 및 풋프린트) — 차이점: Input Voltage Range, Output Voltage Range, Package, Switching Frequency, Maximum Output Current.
빠른 비교 도구 — 나란히 비교할 대체 부품을 선택하십시오:
TPSM82822SILR
✅ 드롭인📋 참조 대체품 (카탈로그에 없음)
TPSM82821SILR
✅ 드롭인 ⚠️ 사양 미검증📋 참조 대체품 (카탈로그에 없음)
TPSM82823SILR
✅ 드롭인 ⚠️ 사양 미검증📋 참조 대체품 (카탈로그에 없음)
TPSM82813SILR
✅ 드롭인 ⚠️ 사양 미검증📋 참조 대체품 (카탈로그에 없음)
TPSM82085SILR
⚡ 동일 패키지 ⚠️ 사양 미검증📋 참조 대체품 (카탈로그에 없음)
TPSM82822A 최대 정격 & 전기적 특성
| 토폴로지 | Synchronous step-down (buck) module |
| 입력 전압 범위 | 2.4 V to 5.5 V |
| 출력 전압 범위 | 0.6 V to 4 V (adjustable) |
| Output Current | 2 A |
| 스위칭 주파수 | 2.2 MHz (forced PWM) |
| Integrated Inductor | Yes (MicroSiP module) |
| 패키지 | uSiP 2 x 2.5 x 1.1 mm |
| 출력 수 | 1 |
| Control Mode | Forced PWM |
| 파워 굿 출력 | Yes |
| 인에이블 핀 | Yes |
| 소프트 스타트 | Internal |
| 실장 유형 | Surface Mount |
| RoHS 상태 | Compliant |
TPSM82822A 핀 구성
| 핀 1 | PVIN — Power input supply (2.4 V to 5.5 V) |
| 핀 2 | GND — Ground |
| 핀 3 | EN — Enable input |
| 핀 4 | SS/TR or VREG — [DATA_NEEDED: exact pin function per datasheet] |
| 핀 5 | FB — Feedback input for output voltage adjustment |
| 핀 6 | PGOOD — Power-good output flag |
| 핀 7 | VOUT — Regulated output (0.6 V to 4 V) |
| 핀 8 | SW/inductor node — Internal switching node with integrated inductor |
일반적인 애플리케이션
TPSM82822A 적합 용도: 6 애플리케이션s: FPGA/DSP Point-of-Load Power, Optical Modules, Solid-State Drives, Portable and Battery-Powered Devices, Industrial Automation Systems, MCU and Wireless Module Power.
FPGA/DSP Point-of-Load Power
The TPSM82822A's 2 A output and 0.6-4 V adjustable range cover core and I/O rails of FPGAs, DSPs, and ASICs. Forced PWM at 2.2 MHz keeps switching noise at a fixed, filterable frequency, protecting noise-sensitive core rails from ripple-induced clock jitter. Placed directly at the load pin with small ceramic output capacitors, the integrated-inductor module delivers a complete rail in about 5 mm2, ideal for dense FPGA clusters where discrete solutions cannot fit.
추천
Optical Modules
Optical transceiver modules demand compact, low-profile power conversion on very small boards. The 1.1 mm MicroSiP height and 2 x 2.5 mm footprint fit within module enclosures, while forced PWM ensures constant-frequency operation that avoids interfering with sensitive analog front ends. The 2.4 V minimum input suits rails derived from 3.3 V supplies, and 95% typical efficiency minimizes heat inside thermally constrained optical housings, protecting laser diode wavelength stability.
추천
Solid-State Drives
SSD controllers and NAND power rails benefit from the TPSM82822A's compact integrated-inductor design and fast 2.2 MHz switching, which allows small external capacitors and rapid transient response during read/write bursts. Forced PWM maintains predictable ripple across load transitions between idle and active states. The module's automated-assembly compatibility suits high-volume SSD manufacturing, and its 2 A capacity covers typical controller rail demands from a 5 V or 3.3 V input.
추천
Portable and Battery-Powered Devices
With a 2.4 V minimum input, the TPSM82822A operates directly from single-cell Li-ion batteries across their full discharge range. The compact MicroSiP package conserves board space in wearables and handheld instruments, while forced PWM produces clean, predictable output for mixed-signal loads. At approximately 95% typical efficiency the module extends battery runtime, and the enable pin supports low-power system shutdown sequences in portable designs.
추천
Industrial Automation Systems
Industrial controllers, sensors, and communication modules use the TPSM82822A to derive 3.3 V, 2.5 V, or 1.8 V logic rails from 5 V backplanes. The integrated inductor reduces radiated EMI, easing compliance in noisy factory environments, and the power-good flag enables reliable system monitoring and sequencing. Its 2 A capacity and small footprint support dense I/O card designs where multiple point-of-load modules populate limited board area.
추천
MCU and Wireless Module Power
Microcontrollers and RF/wireless modules require low-noise, well-regulated supplies; the TPSM82822A's forced PWM keeps output ripple at a constant 2.2 MHz rate, easy to filter before sensitive RF blocks. The 1.1 mm profile fits under shields common in wireless designs, and the enable pin plus internal soft-start support clean power-up sequencing. Its 2 A rating covers transmit burst currents of Wi-Fi and cellular modules without voltage sag.
추천
추천 제품 요약
엔지니어링 참조 데이터: TPSM82822A — 비교, 설계 지침 및 규정 준수 정보.
선택 가이드
대체품과의 비교
| 파라미터 | 이 제품 | TPSM82822SILR | TPSM82821SILR | TPSM82823SILR |
|---|---|---|---|---|
| Package | uSiP 2 x 2.5 x 1.1 mm | uSiP 2 x 2.5 x 1.1 mm - same | uSiP 2 x 2.5 x 1.1 mm - same | uSiP 2 x 2.5 x 1.1 mm - same |
| Brand | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Output Current | 2 A | 2 A | 2 A | 3 A |
| Forced PWM Mode | Yes | No (flexible mode) | Yes | Yes |
| Integrated Inductor | Yes | Yes | Yes | Yes |
| Family Features | PGOOD, EN, internal soft start | PGOOD, EN, internal soft start | Freq sync, spread spectrum, tracking | Freq sync, spread spectrum, tracking |
주요 차별점
- Forced PWM constant-frequency operation (vs TPSM82822SILR)
- Integrated inductor saves design effort (vs TPS54302QDDCRQ1)
- Higher current in same footprint when scaling (vs TPSM82823SILR)
설계 노트
Follow the TPSM8282x datasheet layout guidelines: place input and output ceramic capacitors as close as possible to the module pins, and connect the GND pad directly to a solid ground plane with multiple vias. Although the inductor is integrated, the input current loop is still critical for EMI - keep the PVIN loop area minimal.
At 2 A continuous output, the module dissipates conduction and switching losses in the small 2 x 2.5 mm package. Provide adequate thermal copper area under and around the module; verify junction temperature against the datasheet derating curves at your maximum ambient temperature. Efficiency of roughly 95% still yields meaningful heat at full load.
Set the output voltage with the FB resistor divider within the 0.6 V to 4 V range and use 1% tolerance resistors. Do not omit the output capacitor or deviate from the datasheet recommended values - the internal compensation assumes specific capacitance ranges for stability at the 2.2 MHz forced-PWM operating point.
규정 준수 정보
RoHS compliant and lead-free per TI product information. Detailed material declarations available on TI.com quality pages.
