TMP814
- Predriver for Single-Phase Full-Wave Drive
- PNP-NMOS is Used as an External Power TR,
Enabling High-Efficiency Low-Consumption
Drive by Means of the Low-Saturation Output
and Single-Phase Full-Wave Drive (PMOS-
NMOS Also Applicable)
- PNP-NMOS is Used as an External Power TR,
- External PWM Input Enabling Variable Speed
Control- Separately-Excited Upper Direct PWM (f = 25
kHz) Control Method, Enabling Highly Silent
Speed Control
- Separately-Excited Upper Direct PWM (f = 25
- Compatible with 12-V, 24-V, and 48-V Power
Supplies - Current Limiter Circuit Incorporated
- Chopper Type Current Limit at Start
- Reactive Current Cut Circuit Incorporated
- Reactive Current Before Phase Change is Cut
to Enable Silent and Low-Consumption Drive
- Reactive Current Before Phase Change is Cut
- Minimum Speed Setting Pin
- Minimum Speed Can Be Set With External
Resistor. Start Assistance Circuit Enables Start
at Extremely Low Speed.
- Minimum Speed Can Be Set With External
- Constant-Voltage Output Pin for Hall Bias
- Lock Protection and Automatic Reset Functions
Incorporated - FG (Rotation Speed Detection) and RD (Lock
Detection) Output
The TMP814 is a single-phase bipolar variable speed fan motor predriver that works with an external PWM signal. A highly efficient, quiet and low-power consumption motor driver circuit, with a large variable speed, can be implemented by adding a small number of external components.
This device is optimal for driving large scale fan motors (with large air volume and large current) such as those used in servers and consumer products.
技術文件
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檢視所有 1 | 類型 | 標題 | 日期 | ||
|---|---|---|---|---|
| * | Data sheet | TMP814 Variable Speed Single-phase Full-wave Fan Motor Predriver datasheet (Rev. A) | PDF | HTML | 2015年 5月 29日 |
設計與開發
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| 封裝 | 引腳 | 下載 |
|---|---|---|
| TSSOP (PW) | 20 | 檢視選項 |
訂購與品質
內含資訊：
- RoHS
- REACH
- 產品標記
- 鉛塗層/球物料
- MSL 等級/回焊峰值
- MTBF/FIT 估算值
- 材料內容
- 資格摘要
- 進行中可靠性監測
內含資訊：
- 晶圓廠位置
- 組裝地點