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Power Management Specialized - PMIC Integrated Temperature Controllers for Peltier Modules
| Manufacturer : | Maxim Integrated |
|---|---|
| Package/Case : | QFN48 |
| Product Categories : | Temperature sensor |
| Datasheet: | MAX1978ETM Datasheet (PDF) |
| RoHs Status: | Lead free/RoHS Compliant |
| In-stock: | 33 |
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MAX1978ETM Product Details
The MAX1978/MAX1979 are the smallest, safest, most accurate complete single-chip temperature controllers for Peltier thermoelectric cooler (TEC) modules. On-chip power FETs and thermal control-loop circuitry minimize external components while maintaining high efficiency. Selectable 500kHz/1MHz switching frequency and a unique ripple-cancellation scheme optimize component size and efficiency while reducing noise. Switching speeds of internal MOSFETs are optimized to reduce noise and EMI. An ultra-low-drift chopper amplifier maintains ±0.001°C temperature stability. Output current, rather than voltage, is directly controlled to eliminate current surges. Individual heating and cooling current and voltage limits provide the highest level of TEC protection. The MAX1978ETM operates from a single supply and provides bipolar ±3A output by biasing the TEC between the outputs of two synchronous buck regulators. True bipolar operation controls temperature without "dead zones" or other nonlinearities at low load currents. The control system does not hunt when the set point is very close to the natural operating point, where only a small amount of heating or cooling is needed. An analog control signal precisely sets the TEC current. The MAX1979 provides unipolar output up to 6A. A chopper-stabilized instrumentation amplifier and a high-precision integrator amplifier are supplied to create a proportional-integral (PI) or proportional-integral-derivative (PID) controller. The instrumentation amplifier can interface to an external NTC or PTC thermistor, thermocouple, or semiconductor temperature sensor. Analog outputs are provided to monitor TEC temperature and current. In addition, separate overtemperature and undertemperature outputs indicate when the TEC temperature is out of range. An on-chip voltage reference provides bias for a thermistor bridge. The MAX1978/MAX1979 are available in a low-profile 48-lead thin QFN-EP package and is specified over the -40°C to +85°C temperature range. The thermally enhanced QFN-EP package with exposed metal pad minimizes operating junction temperature. An evaluation kit is available to speed designs.
Feature
- Smallest, Safest, Most Accurate Complete Single-Chip Controller
- On-Chip Power MOSFETS—No External FETs
- Circuit Footprint < 0.93in2
- Circuit Height < 3mm
- Temperature Stability to 0.001°C
- Integrated Precision Integrator and Chopper Stabilized Op Amps
- Accurate, Independent Heating and Cooling Current Limits
- Eliminates Surges By Directly Controlling TEC Current
- Adjustable Differential TEC Voltage Limit
- Low-Ripple and Low-Noise Design
- TEC Current Monitor
- Temperature Monitor
- Over- and Undertemperature Alarm
- Bipolar ±3A Output Current (MAX1978)
- Unipolar +6A Output Current (MAX1979)
Applications
- Automated Test Equipment (ATE)
- EDFA Optical Amplifiers
- Fiber Optic Network Equipment
- Fiber-Optic Laser Modules
- Telecom Fiber Interfaces
- WDM, DWDM Laser Diode Temperature Control
(Picture: Diagram)
Technical Parameters
- PMIC for:
- Cable/Telecom/Fiber
- Primary Topology
- H-Bridge
- Target Processor or Spec.
- -
- Monitor/Control Features
- Shutdown ,Volt. or PWM Controlled Output
- DC DC/Power Features
- Avg. Current Mode Control ,Current Limit ,Dual/ Multi-Phase ,Fixed Freq./PWM ,Internal Switch ,Soft Start ,Sync. Rectifier ,TEC Driver
- LCD/LED/Flash/CCD Features
- -
- Battery Charger Features
- -
- Interface Type
- -
- Vin (min) (V)
- 3
- Vin (max) (V)
- 5.5
- Vout (min) (V)
- -4.3
- Vout (max) (V)
- 4.3
- Max. Iout (A)
- 6
- Oper. Freq. (kHz)
- 1000
- Step Down Outputs
- 1
- Step Up Outputs
- -
- Inverting Outputs
- 1
- LDO Outputs
- -
- Op. Amp. Outputs
- -
- Output Adjust. Method
- Resistor ,Voltage
- Preset Vout (V)
- -
- Icc (max) (mA)
- 0.03
- Tags
- -
- EV Kit
- Yes
- Industry Qualified
- -
- Package/Pins
- TQFN/48
- Smallest Available Pckg. (max w/pins) (mm2)
- 50.4
- RoHS Available
- Yes
- Oper. Temp. (\u00b0C)
- -40 to +85
- Budgetary Price (See Notes)
- $15.42 @1k
MAX1978ETM Datasheet
-
MAX1978 data sheet for guidance
MAX1978ETM Related Products
Ratings and Reviews (1)
- 5 / 5
- 5 Stars 100%
- 4 Stars 0%
- 3 Stars 0%
- 2 Stars 0%
- 1 Stars 0%
-
**rigi***2020-03-28
Mega schnell angekommen, gerne wieder.
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- Lead Time
- DHL
- $20.00-$40.00 (0.50 KG)
- 2-5 days
- Fedex
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- 3-7 days
- UPS
- $20.00-$45.00 (0.50 KG)
- 2-5 days
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- 2-5 days
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- 5-14 days
- REGISTERED AIR MAIL
- $2.00-$3.00 (0.10 KG)
- 7-30 days
Processing Time：Shipping fee depend on different zone and country.
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- Terms of payment
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- charge US$30.00 banking fee.
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We provide high quality products, thoughtful service and after sale guarantee
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We have rich products, can meet your various needs.
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Minimum order quantity starts from 1pcs.
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Lowest international shipping fee starts from US$2.00.
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90 days quality guarantee for all products.
Packing
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Step1: Products
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Step2: Vacuum Packaging
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Step3: Anti-Static Bag
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Step4: Individual Packaging
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Step5: Packaging Boxes
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Step6: Bar-Code Shipping Tag
All the products will packing in anti-staticbag. Ship with ESD antistatic protection.
Outside ESD packing’s lable will use ourcompany’s information: Part Mumber, Brand and Quantity.
We will inspect all the goods before shipment,ensure all the products at good condition and ensure the parts are new originalmatch datasheet.
After all the goods are ensure no problems afterpacking, we will packing safely and send by global express. It exhibitsexcellent puncture and tear resistance along with good seal integrity.
Guarantees
1.The electronic components you purchase include 365 Days Warranty, We guarantee product quality.
2.If some of the items you received aren't of perfect quality, we would resiponsibly arrange your refund or replacement. But the items must remain their orginal condition.
FAQ:
- Q: How does Jotrin guarantee that MAX1978ETM is the original manufacturer or agent of MAXIM?
- We have a professional business development department to strictly test and verify the qualifications of MAXIM original manufacturers and agents. All MAXIM suppliers must pass the qualification review before they can publish their MAX1978ETM devices; we pay more attention to the channels and quality of MAX1978ETM products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
- Q: How to find the detailed information of MAX1978ETM chips? Including MAXIM original factory information, Temperature sensor application, MAX1978ETM pictures?
- You can use Jotrin's intelligent search engine, or filter by Multifunction PMICs category, or find it through Maxim Integrated Information page.
- Q: Are the MAXIM's MAX1978ETM price and stock displayed on the platform accurate?
- The MAXIM's inventory fluctuates greatly and cannot be updated in time, it will be updated periodically within 24 hours. After submitting an order for MAX1978ETM, it is recommended to confirm the order with Jotrin salesperson or online customer service before payment.
- Q: Can I place an order offline?
-
Yes. We accept offline orders.
We can provide order placement service. You only need to log in, click "My Orders" to enter the transaction management, and you will see the "Order Details" interface. After checking it, select all and click "Place Order". In addition, you can enjoy coupons or other selected gifts when placing orders online. - Q: What forms of payment can I use in Jotrin?
- TT Bank, Paypal, Credit Card, Western Union, and Escrow is all acceptable.
- Q: How is the shipping arranged and track my package?
-
Customers can choose industry-leading freight companies, including DHL, FedEx, UPS, TNT, and Registered Mail.
Once your order has been processed for shipment, our sales will send you an e-mail advising you of the shipping status and tracking number.
Note: It may take up to 24 hours before carriers will display tracking information. In normal conditions, Express delivery needs 3-5 days, Registered Mail needs 25-60 days. - Q: What is the process for returns or replacement of MAX1978ETM?
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All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment.
If there is something wrong with the MAX1978ETM we delivered, we will accept the replacement or return of the MAX1978ETM only when all of the below conditions are fulfilled:
(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.
(2)We are informed of the defect described above within 90 days after the delivery of MAX1978ETM.
(3)The MAX1978ETM is unused and only in the original unpacked packaging.
Two processes to return the products:
(1)Inform us within 90 days
(2)Obtain Requesting Return Authorizations
More details about return electronic components please see our Return & Change Policy. - Q: How to contact us and get support, such as MAX1978ETM datasheet pdf, MAX1978 pin diagram?
- Need any After-Sales service, please feel free contact us: sales@jotrin.com
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Maxim Integrated Products is a global range of linearity, mixed-signal integrated circuits (IC) design, R & D and manufacturing leader, has designed, developed, and manufactured analog, mixed-signal, high-frequency, and digital circuits that enable all four of these key interactions....
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