Module-level power electronics for sophisticated system layouts and partial shadings.

Highest energy yields - Lowest costs

Each PV system is unique. Different roof structures, system alignments and various types of shading influence the PV system’s energy yield. With the innovative Tigo TS4 platform, for the first time, every single PV module can now be flexibly equipped with an additional function. For partially shaded systems, only the affected modules are equipped with the optimization function as, in most cases, no more than 20% of the modules are shaded. With Tigo TS4, customers pay just for the function that they actually require.

SMA and Tigo solution

  • Only affected modules (e.g., in case of partial shading) have to be equipped with an optimizer
  • Lower investment costs
  • Lower installation costs

Optimization as required

The Tigo TS4 platform provides functions as required. These can be easily and quickly integrated into the PV module by means of changeable covers:

  • Module monitoring
  • Safety/disconnection at the module level
  • Optimization for complex roof structure and partial shading
  • Longer strings (available only as module-integrated)

The right solution for new systems and existing PV systems:
Installers can choose between a pre-installed solution in smart modules from different manufacturers or the SMA add-on/retrofit version for all standard modules. With no additional tools, the Tigo TS4 solution can be quickly and easily mounted to the module already in the warehouse or directly on the construction site. This makes logistics easier and reduces installation time.


The TIGO solution consists of three components

  • TS4 optimizers are attached to the required modules
  • Cloud Connect is the management unit from Tigo
  • Gateway ensures communication between the optimizers and Cloud Connect

The modular concept from Tigo Energy is a perfect match for SMA. Because with the Multi-MPP tracking function as well as the wide input voltage range, SMA inverters are perfectly suited to complex system layouts and partial shadings.

Working together, SMA and Tigo Energy offer users high-quality solutions that can be used flexibly to generate maximum system efficiency.

Your benefits at a glance

Low costs

  • Cut costs by up to 80%
  • Save up to 1.5 hours per installation
  • Reduced operation and maintenance costs thanks to less components

Higher yields

  • Higher total yield both in kilowatt-hours and in euros
  • Increase in system availability
  • Long component service life thanks to demand-specific operation (bypass operation)

More flexibility

  • Simple and flexible design — even on challenging roofs
  • Fast customization


  Monitoring Optimization
Electrical rating
Rated DC input voltage 375 W 375 W
Max. PV module open circuit voltage (Voc) 52 V 52 V
Max. current 12 A 12 A
PV modue Vmf range 16 to 48 V 16 to 48 V
Rated DC input power 0 to 375 W 0 to 375 W
Output voltage range 0 to Voc 0 to Voc
Communications 902.14.4, 2,4 GHz 902.14.4, 2,4 GHz
Rapid shutdown verified (NEC 2014 690.12) No Yes
Inpedance matching capability No Yes
Output voltage limit No No
Maximum system voltage 1000 V 1000 V
Max. series fuse rating 15 A 15 A
Operating temperature range -40 to 75 ºC
Storage temperature range -40 to 75 ºC
Cooling concept Natural Convection
Dimensions 195,5 x 158 x 23 mm
Weight (without cover) 470 g
Degree of protection IP65 / IP67, NEMA 3R
Cabling type PV1-F
Output cable length 1,0; other lengths upon request
Connector MC4
UV resistance 500 h with UVb light between 300 to 400 nm at 65°C
Max. string voltage 600 V UL / 1000 V IEC ó 1000 v UL / IEC
Outer cable diameter 6,25 mm ± 0,25 mm (600 v uL) / 7,15 mm ± 0,25 mm (1000 v uL)
Conductor cross-section 4,0 mm2
Warranty 25 years


Sunny Boy 1.5 - 2.5

Sunny Boy 3.0 - 5.0

Sunny Boy Storage SB25

Sunny Boy Smart Energy


pdf SMA Tigo TS4 EN.pdf ( 412.73 KiB )

SMA Sunny Boy TL EN

SMA Sunny Tripower 5-12000 TL EN

  • SMA-Tigo-1.jpg
  • SMA-Tigo-2.jpg
  • SMA-Tigo-3.jpg
  • SMA-TIGO.jpg

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